var URL_BASE = 'http://littlemagazines.davidson.edu/';/*  Prototype JavaScript framework, version 1.5.0_rc1
 *  (c) 2005 Sam Stephenson <sam@conio.net>
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://prototype.conio.net/
 *
/*--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.5.0_rc1',
  BrowserFeatures: {
    XPath: !!document.evaluate
  },

  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
  emptyFunction: function() {},
  K: function(x) { return x }
}

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

Object.extend = function(destination, source) {
  for (var property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (object == undefined) return 'undefined';
      if (object == null) return 'null';
      return object.inspect ? object.inspect() : object.toString();
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({}, object);
  }
});

Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($A(arguments)));
  }
}

Function.prototype.bindAsEventListener = function(object) {
  var __method = this, args = $A(arguments), object = args.shift();
  return function(event) {
    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
  }
}

Object.extend(Number.prototype, {
  toColorPart: function() {
    var digits = this.toString(16);
    if (this < 16) return '0' + digits;
    return digits;
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  }
});

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0; i < arguments.length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) {}
    }

    return returnValue;
  }
}

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback(this);
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
}
Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += (replacement(match) || '').toString();
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = count === undefined ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return this;
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = truncation === undefined ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : this;
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var div = document.createElement('div');
    var text = document.createTextNode(this);
    div.appendChild(text);
    return div.innerHTML;
  },

  unescapeHTML: function() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
  },

  toQueryParams: function() {
    var pairs = this.match(/^\??(.*)$/)[1].split('&');
    return pairs.inject({}, function(params, pairString) {
      var pair  = pairString.split('=');
      var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;
      params[decodeURIComponent(pair[0])] = value;
      return params;
    });
  },

  toArray: function() {
    return this.split('');
  },

  camelize: function() {
    var oStringList = this.split('-');
    if (oStringList.length == 1) return oStringList[0];

    var camelizedString = this.indexOf('-') == 0
      ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
      : oStringList[0];

    for (var i = 1, len = oStringList.length; i < len; i++) {
      var s = oStringList[i];
      camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
    }

    return camelizedString;
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.replace(/\\/g, '\\\\');
    if (useDoubleQuotes)
      return '"' + escapedString.replace(/"/g, '\\"') + '"';
    else
      return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (typeof replacement == 'function') return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
}

String.prototype.parseQuery = String.prototype.toQueryParams;

var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern  = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    return this.template.gsub(this.pattern, function(match) {
      var before = match[1];
      if (before == '\\') return match[2];
      return before + (object[match[3]] || '').toString();
    });
  }
}

var $break    = new Object();
var $continue = new Object();

var Enumerable = {
  each: function(iterator) {
    var index = 0;
    try {
      this._each(function(value) {
        try {
          iterator(value, index++);
        } catch (e) {
          if (e != $continue) throw e;
        }
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator) {
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator || Prototype.K);
  },

  all: function(iterator) {
    var result = true;
    this.each(function(value, index) {
      result = result && !!(iterator || Prototype.K)(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator) {
    var result = false;
    this.each(function(value, index) {
      if (result = !!(iterator || Prototype.K)(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  },

  detect: function (iterator) {
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(pattern, iterator) {
    var results = [];
    this.each(function(value, index) {
      var stringValue = value.toString();
      if (stringValue.match(pattern))
        results.push((iterator || Prototype.K)(value, index));
    })
    return results;
  },

  include: function(object) {
    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = fillWith || null;
    var results = this.eachSlice(number);
    if (results.length > 0) (number - results.last().length).times(function() {
      results.last().push(fillWith)
    });
    return results;
  },

  inject: function(memo, iterator) {
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.collect(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator) {
    var trues = [], falses = [];
    this.each(function(value, index) {
      ((iterator || Prototype.K)(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value, index) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator) {
    return this.collect(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.collect(Prototype.K);
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (typeof args.last() == 'function')
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
}

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0; i < iterable.length; i++)
      results.push(iterable[i]);
    return results;
  }
}

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse)
  Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0; i < this.length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != undefined || value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(value && value.constructor == Array ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  indexOf: function(object) {
    for (var i = 0; i < this.length; i++)
      if (this[i] == object) return i;
    return -1;
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function() {
    return this.inject([], function(array, value) {
      return array.include(value) ? array : array.concat([value]);
    });
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }
});
var Hash = {
  _each: function(iterator) {
    for (var key in this) {
      var value = this[key];
      if (typeof value == 'function') continue;

      var pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  },

  keys: function() {
    return this.pluck('key');
  },

  values: function() {
    return this.pluck('value');
  },

  merge: function(hash) {
    return $H(hash).inject($H(this), function(mergedHash, pair) {
      mergedHash[pair.key] = pair.value;
      return mergedHash;
    });
  },

  toQueryString: function() {
    return this.map(function(pair) {
      return pair.map(encodeURIComponent).join('=');
    }).join('&');
  },

  inspect: function() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }
}

function $H(object) {
  var hash = Object.extend({}, object || {});
  Object.extend(hash, Enumerable);
  Object.extend(hash, Hash);
  return hash;
}
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
}

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responderToAdd) {
    if (!this.include(responderToAdd))
      this.responders.push(responderToAdd);
  },

  unregister: function(responderToRemove) {
    this.responders = this.responders.without(responderToRemove);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (responder[callback] && typeof responder[callback] == 'function') {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) {}
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate: function() {
    Ajax.activeRequestCount++;
  },

  onComplete: function() {
    Ajax.activeRequestCount--;
  }
});

Ajax.Base = function() {};
Ajax.Base.prototype = {
  setOptions: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      parameters:   ''
    }
    Object.extend(this.options, options || {});
  },

  responseIsSuccess: function() {
    return this.transport.status == undefined
        || this.transport.status == 0
        || (this.transport.status >= 200 && this.transport.status < 300);
  },

  responseIsFailure: function() {
    return !this.responseIsSuccess();
  }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    this.request(url);
  },

  request: function(url) {
    var parameters = this.options.parameters || '';
    if (parameters.length > 0) parameters += '&_=';

    /* Simulate other verbs over post */
    if (this.options.method != 'get' && this.options.method != 'post') {
      parameters += (parameters.length > 0 ? '&' : '') + '_method=' + this.options.method;
      this.options.method = 'post';
    }

    try {
      this.url = url;
      if (this.options.method == 'get' && parameters.length > 0)
        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;

      Ajax.Responders.dispatch('onCreate', this, this.transport);

      this.transport.open(this.options.method, this.url,
        this.options.asynchronous);

      if (this.options.asynchronous)
        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      var body = this.options.postBody ? this.options.postBody : parameters;
      this.transport.send(this.options.method == 'post' ? body : null);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    } catch (e) {
      this.dispatchException(e);
    }
  },

  setRequestHeaders: function() {
    var requestHeaders =
      ['X-Requested-With', 'XMLHttpRequest',
       'X-Prototype-Version', Prototype.Version,
       'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];

    if (this.options.method == 'post') {
      requestHeaders.push('Content-type', this.options.contentType);

      /* Force "Connection: close" for Mozilla browsers to work around
       * a bug where XMLHttpReqeuest sends an incorrect Content-length
       * header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType)
        requestHeaders.push('Connection', 'close');
    }

    if (this.options.requestHeaders)
      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);

    for (var i = 0; i < requestHeaders.length; i += 2)
      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState != 1)
      this.respondToReadyState(this.transport.readyState);
  },

  header: function(name) {
    try {
      return this.transport.getResponseHeader(name);
    } catch (e) {}
  },

  evalJSON: function() {
    try {
      return eval('(' + this.header('X-JSON') + ')');
    } catch (e) {}
  },

  evalResponse: function() {
    try {
      return eval(this.transport.responseText);
    } catch (e) {
      this.dispatchException(e);
    }
  },

  respondToReadyState: function(readyState) {
    var event = Ajax.Request.Events[readyState];
    var transport = this.transport, json = this.evalJSON();

    if (event == 'Complete') {
      try {
        (this.options['on' + this.transport.status]
         || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(transport, json);
      } catch (e) {
        this.dispatchException(e);
      }

      if ((this.header('Content-type') || '').match(/^text\/javascript/i))
        this.evalResponse();
    }

    try {
      (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
      Ajax.Responders.dispatch('on' + event, this, transport, json);
    } catch (e) {
      this.dispatchException(e);
    }

    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
    if (event == 'Complete')
      this.transport.onreadystatechange = Prototype.emptyFunction;
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Updater = Class.create();

Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
  initialize: function(container, url, options) {
    this.containers = {
      success: container.success ? $(container.success) : $(container),
      failure: container.failure ? $(container.failure) :
        (container.success ? null : $(container))
    }

    this.transport = Ajax.getTransport();
    this.setOptions(options);

    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function(transport, object) {
      this.updateContent();
      onComplete(transport, object);
    }).bind(this);

    this.request(url);
  },

  updateContent: function() {
    var receiver = this.responseIsSuccess() ?
      this.containers.success : this.containers.failure;
    var response = this.transport.responseText;

    if (!this.options.evalScripts)
      response = response.stripScripts();

    if (receiver) {
      if (this.options.insertion) {
        new this.options.insertion(receiver, response);
      } else {
        Element.update(receiver, response);
      }
    }

    if (this.responseIsSuccess()) {
      if (this.onComplete)
        setTimeout(this.onComplete.bind(this), 10);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(container, url, options) {
    this.setOptions(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = {};
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(request) {
    if (this.options.decay) {
      this.decay = (request.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = request.responseText;
    }
    this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $() {
  var results = [], element;
  for (var i = 0; i < arguments.length; i++) {
    element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);
    results.push(Element.extend(element));
  }
  return results.reduce();
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, len = query.snapshotLength; i < len; i++)
      results.push(query.snapshotItem(i));
    return results;
  }
}

document.getElementsByClassName = function(className, parentElement) {
  if (Prototype.BrowserFeatures.XPath) {
    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
    return document._getElementsByXPath(q, parentElement);
  } else {
    var children = ($(parentElement) || document.body).getElementsByTagName('*');
    var elements = [], child;
    for (var i = 0, len = children.length; i < len; i++) {
      child = children[i];
      if (child.className.length == 0) continue;
      if (child.className == className ||
          child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
        elements.push(Element.extend(child));
    }
    return elements;
  }
}

/*--------------------------------------------------------------------------*/

if (!window.Element)
  var Element = new Object();

Element.extend = function(element) {
  if (!element) return;
  if (_nativeExtensions || element.nodeType == 3) return element;

  if (!element._extended && element.tagName && element != window) {
    var methods = Object.clone(Element.Methods), cache = Element.extend.cache;

    if (element.tagName == 'FORM')
      Object.extend(methods, Form.Methods);
    if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
      Object.extend(methods, Form.Element.Methods);

    for (var property in methods) {
      var value = methods[property];
      if (typeof value == 'function')
        element[property] = cache.findOrStore(value);
    }
  }

  element._extended = true;
  return element;
}

Element.extend.cache = {
  findOrStore: function(value) {
    return this[value] = this[value] || function() {
      return value.apply(null, [this].concat($A(arguments)));
    }
  }
}

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, html) {
    $(element).innerHTML = html.stripScripts();
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  replace: function(element, html) {
    element = $(element);
    if (element.outerHTML) {
      element.outerHTML = html.stripScripts();
    } else {
      var range = element.ownerDocument.createRange();
      range.selectNodeContents(element);
      element.parentNode.replaceChild(
        range.createContextualFragment(html.stripScripts()), element);
    }
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    element = $(element);
    return $A(element.getElementsByTagName('*'));
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    element = $(element);
    if (typeof selector == 'string')
      selector = new Selector(selector);
    return selector.match(element);
  },

  up: function(element, expression, index) {
    return Selector.findElement($(element).ancestors(), expression, index);
  },

  down: function(element, expression, index) {
    return Selector.findElement($(element).descendants(), expression, index);
  },

  previous: function(element, expression, index) {
    return Selector.findElement($(element).previousSiblings(), expression, index);
  },

  next: function(element, expression, index) {
    return Selector.findElement($(element).nextSiblings(), expression, index);
  },

  getElementsBySelector: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  getElementsByClassName: function(element, className) {
    element = $(element);
    return document.getElementsByClassName(className, element);
  },

  getHeight: function(element) {
    element = $(element);
    return element.offsetHeight;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).include(className);
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).add(className);
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).remove(className);
    return element;
  },

  observe: function() {
    Event.observe.apply(Event, arguments);
    return $A(arguments).first();
  },

  stopObserving: function() {
    Event.stopObserving.apply(Event, arguments);
    return $A(arguments).first();
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.match(/^\s*$/);
  },

  childOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    while (element = element.parentNode)
      if (element == ancestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var x = element.x ? element.x : element.offsetLeft,
        y = element.y ? element.y : element.offsetTop;
    window.scrollTo(x, y);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    var value = element.style[style.camelize()];
    if (!value) {
      if (document.defaultView && document.defaultView.getComputedStyle) {
        var css = document.defaultView.getComputedStyle(element, null);
        value = css ? css.getPropertyValue(style) : null;
      } else if (element.currentStyle) {
        value = element.currentStyle[style.camelize()];
      }
    }

    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
      if (Element.getStyle(element, 'position') == 'static') value = 'auto';

    return value == 'auto' ? null : value;
  },

  setStyle: function(element, style) {
    element = $(element);
    for (var name in style)
      element.style[name.camelize()] = style[name];
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'display') != 'none')
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = '';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = 'none';
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = element.style.overflow || 'auto';
    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  }
}

// IE is missing .innerHTML support for TABLE-related elements
if(document.all){
  Element.Methods.update = function(element, html) {
    element = $(element);
    var tagName = element.tagName.toUpperCase();
    if (['THEAD','TBODY','TR','TD'].indexOf(tagName) > -1) {
      var div = document.createElement('div');
      switch (tagName) {
        case 'THEAD':
        case 'TBODY':
          div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
          depth = 2;
          break;
        case 'TR':
          div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
          depth = 3;
          break;
        case 'TD':
          div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
          depth = 4;
      }
      $A(element.childNodes).each(function(node){
        element.removeChild(node)
      });
      depth.times(function(){ div = div.firstChild });

      $A(div.childNodes).each(
        function(node){ element.appendChild(node) });
    } else {
      element.innerHTML = html.stripScripts();
    }
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  }
}

Object.extend(Element, Element.Methods);

var _nativeExtensions = false;

if (!window.HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
  /* Emulate HTMLElement, HTMLFormElement, HTMLInputElement, HTMLTextAreaElement,
     and HTMLSelectElement in Safari */
  ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
    var klass = window['HTML' + tag + 'Element'] = {};
    klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
  });
}

Element.addMethods = function(methods) {
  Object.extend(Element.Methods, methods || {});

  function copy(methods, destination) {
    var cache = Element.extend.cache;
    for (var property in methods) {
      var value = methods[property];
      destination[property] = cache.findOrStore(value);
    }
  }

  if (typeof HTMLElement != 'undefined') {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Form.Methods, HTMLFormElement.prototype);
    [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
      copy(Form.Element.Methods, klass.prototype);
    });
    _nativeExtensions = true;
  }
}

var Toggle = new Object();
Toggle.display = Element.toggle;

/*--------------------------------------------------------------------------*/

Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content.stripScripts();

    if (this.adjacency && this.element.insertAdjacentHTML) {
      try {
        this.element.insertAdjacentHTML(this.adjacency, this.content);
      } catch (e) {
        var tagName = this.element.tagName.toLowerCase();
        if (tagName == 'tbody' || tagName == 'tr') {
          this.insertContent(this.contentFromAnonymousTable());
        } else {
          throw e;
        }
      }
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.insertContent([this.range.createContextualFragment(this.content)]);
    }

    setTimeout(function() {content.evalScripts()}, 10);
  },

  contentFromAnonymousTable: function() {
    var div = document.createElement('div');
    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
    return $A(div.childNodes[0].childNodes[0].childNodes);
  }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment, this.element);
    }).bind(this));
  }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(true);
  },

  insertContent: function(fragments) {
    fragments.reverse(false).each((function(fragment) {
      this.element.insertBefore(fragment, this.element.firstChild);
    }).bind(this));
  }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.appendChild(fragment);
    }).bind(this));
  }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
  initializeRange: function() {
    this.range.setStartAfter(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment,
        this.element.nextSibling);
    }).bind(this));
  }
});

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set(this.toArray().concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set(this.select(function(className) {
      return className != classNameToRemove;
    }).join(' '));
  },

  toString: function() {
    return this.toArray().join(' ');
  }
}

Object.extend(Element.ClassNames.prototype, Enumerable);
var Selector = Class.create();
Selector.prototype = {
  initialize: function(expression) {
    this.params = {classNames: []};
    this.expression = expression.toString().strip();
    this.parseExpression();
    this.compileMatcher();
  },

  parseExpression: function() {
    function abort(message) { throw 'Parse error in selector: ' + message; }

    if (this.expression == '')  abort('empty expression');

    var params = this.params, expr = this.expression, match, modifier, clause, rest;
    while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
      params.attributes = params.attributes || [];
      params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
      expr = match[1];
    }

    if (expr == '*') return this.params.wildcard = true;

    while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
      modifier = match[1], clause = match[2], rest = match[3];
      switch (modifier) {
        case '#':       params.id = clause; break;
        case '.':       params.classNames.push(clause); break;
        case '':
        case undefined: params.tagName = clause.toUpperCase(); break;
        default:        abort(expr.inspect());
      }
      expr = rest;
    }

    if (expr.length > 0) abort(expr.inspect());
  },

  buildMatchExpression: function() {
    var params = this.params, conditions = [], clause;

    if (params.wildcard)
      conditions.push('true');
    if (clause = params.id)
      conditions.push('element.id == ' + clause.inspect());
    if (clause = params.tagName)
      conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
    if ((clause = params.classNames).length > 0)
      for (var i = 0; i < clause.length; i++)
        conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');
    if (clause = params.attributes) {
      clause.each(function(attribute) {
        var value = 'element.getAttribute(' + attribute.name.inspect() + ')';
        var splitValueBy = function(delimiter) {
          return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
        }

        switch (attribute.operator) {
          case '=':       conditions.push(value + ' == ' + attribute.value.inspect()); break;
          case '~=':      conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
          case '|=':      conditions.push(
                            splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
                          ); break;
          case '!=':      conditions.push(value + ' != ' + attribute.value.inspect()); break;
          case '':
          case undefined: conditions.push(value + ' != null'); break;
          default:        throw 'Unknown operator ' + attribute.operator + ' in selector';
        }
      });
    }

    return conditions.join(' && ');
  },

  compileMatcher: function() {
    this.match = new Function('element', 'if (!element.tagName) return false; \
      return ' + this.buildMatchExpression());
  },

  findElements: function(scope) {
    var element;

    if (element = $(this.params.id))
      if (this.match(element))
        if (!scope || Element.childOf(element, scope))
          return [element];

    scope = (scope || document).getElementsByTagName(this.params.tagName || '*');

    var results = [];
    for (var i = 0; i < scope.length; i++)
      if (this.match(element = scope[i]))
        results.push(Element.extend(element));

    return results;
  },

  toString: function() {
    return this.expression;
  }
}

Object.extend(Selector, {
  matchElements: function(elements, expression) {
    var selector = new Selector(expression);
    return elements.select(selector.match.bind(selector)).collect(Element.extend);
  },

  findElement: function(elements, expression, index) {
    if (typeof expression == 'number') index = expression, expression = false;
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    return expressions.map(function(expression) {
      return expression.strip().split(/\s+/).inject([null], function(results, expr) {
        var selector = new Selector(expr);
        return results.inject([], function(elements, result) {
          return elements.concat(selector.findElements(result || element));
        });
      });
    }).flatten();
  }
});

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  }
};

Form.Methods = {
  serialize: function(form) {
    return this.serializeElements(Form.getElements($(form)));
  },

  serializeElements: function(elements) {
    var queryComponents = new Array();

    for (var i = 0; i < elements.length; i++) {
      var queryComponent = Form.Element.serialize(elements[i]);
      if (queryComponent)
        queryComponents.push(queryComponent);
    }

    return queryComponents.join('&');
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([], function(elements, child) {
      if (Form.Element.Serializers[child.tagName.toLowerCase()])
        elements.push(Element.extend(child));
      return elements;
    });
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name)
      return inputs;

    var matchingInputs = new Array();
    for (var i = 0; i < inputs.length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) ||
          (name && input.name != name))
        continue;
      matchingInputs.push(input);
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.blur();
      element.disabled = 'true';
    }
    return form;
  },

  enable: function(form) {
    form = $(form);
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.disabled = '';
    }
    return form;
  },

  findFirstElement: function(form) {
    return Form.getElements(form).find(function(element) {
      return element.type != 'hidden' && !element.disabled &&
        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    Field.activate(Form.findFirstElement(form));
    return form;
  }
}

Object.extend(Form, Form.Methods);

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
}

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter) {
      var key = encodeURIComponent(parameter[0]);
      if (key.length == 0) return;

      if (parameter[1].constructor != Array)
        parameter[1] = [parameter[1]];

      return parameter[1].map(function(value) {
        return key + '=' + encodeURIComponent(value);
      }).join('&');
    }
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter)
      return parameter[1];
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    element.focus();
    if (element.select)
      element.select();
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.blur();
    element.disabled = false;
    return element;
  }
}

Object.extend(Form.Element, Form.Element.Methods);
var Field = Form.Element;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
      default:
        return Form.Element.Serializers.textarea(element);
    }
    return false;
  },

  inputSelector: function(element) {
    if (element.checked)
      return [element.name, element.value];
  },

  textarea: function(element) {
    return [element.name, element.value];
  },

  select: function(element) {
    return Form.Element.Serializers[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },

  selectOne: function(element) {
    var value = '', opt, index = element.selectedIndex;
    if (index >= 0) {
      opt = element.options[index];
      value = opt.value || opt.text;
    }
    return [element.name, value];
  },

  selectMany: function(element) {
    var value = [];
    for (var i = 0; i < element.length; i++) {
      var opt = element.options[i];
      if (opt.selected)
        value.push(opt.value || opt.text);
    }
    return [element.name, value];
  }
}

/*--------------------------------------------------------------------------*/

var $F = Form.Element.getValue;

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
  initialize: function(element, frequency, callback) {
    this.frequency = frequency;
    this.element   = $(element);
    this.callback  = callback;

    this.lastValue = this.getValue();
    this.registerCallback();
  },

  registerCallback: function() {
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  onTimerEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
}

Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    var elements = Form.getElements(this.element);
    for (var i = 0; i < elements.length; i++)
      this.registerCallback(elements[i]);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
}

Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) {
  var Event = new Object();
}

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,

  element: function(event) {
    return event.target || event.srcElement;
  },

  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },

  // find the first node with the given tagName, starting from the
  // node the event was triggered on; traverses the DOM upwards
  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },

  observers: false,

  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },

  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0; i < Event.observers.length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },

  observe: function(element, name, observer, useCapture) {
    element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.attachEvent))
      name = 'keydown';

    Event._observeAndCache(element, name, observer, useCapture);
  },

  stopObserving: function(element, name, observer, useCapture) {
    element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.detachEvent))
      name = 'keydown';

    if (element.removeEventListener) {
      element.removeEventListener(name, observer, useCapture);
    } else if (element.detachEvent) {
      try {
        element.detachEvent('on' + name, observer);
      } catch (e) {}
    }
  }
});

/* prevent memory leaks in IE */
if (navigator.appVersion.match(/\bMSIE\b/))
  Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  realOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return [valueL, valueT];
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if(element.tagName=='BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return [valueL, valueT];
  },

  offsetParent: function(element) {
    if (element.offsetParent) return element.offsetParent;
    if (element == document.body) return element;

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return element;

    return document.body;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = this.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = this.realOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = this.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  page: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent==document.body)
        if (Element.getStyle(element,'position')=='absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!window.opera || element.tagName=='BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return [valueL, valueT];
  },

  clone: function(source, target) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || {})

    // find page position of source
    source = $(source);
    var p = Position.page(source);

    // find coordinate system to use
    target = $(target);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(target,'position') == 'absolute') {
      parent = Position.offsetParent(target);
      delta = Position.page(parent);
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
  },

  absolutize: function(element) {
    element = $(element);
    if (element.style.position == 'absolute') return;
    Position.prepare();

    var offsets = Position.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';;
    element.style.left   = left + 'px';;
    element.style.width  = width + 'px';;
    element.style.height = height + 'px';;
  },

  relativize: function(element) {
    element = $(element);
    if (element.style.position == 'relative') return;
    Position.prepare();

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
  }
}

// Safari returns margins on body which is incorrect if the child is absolutely
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
  Position.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return [valueL, valueT];
  }
}

Element.addMethods();/**
  *
  *  Copyright 2005 Sabre Airline Solutions
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
  *  file except in compliance with the License. You may obtain a copy of the License at
  *
  *         http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing, software distributed under the
  *  License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
  *  either express or implied. See the License for the specific language governing permissions
  *  and limitations under the License.
  **/


//-------------------- rico.js
var Rico = {
  Version: '1.1.2',
  prototypeVersion: parseFloat(Prototype.Version.split(".")[0] + "." + Prototype.Version.split(".")[1])
}

if((typeof Prototype=='undefined') || Rico.prototypeVersion < 1.3)
      throw("Rico requires the Prototype JavaScript framework >= 1.3");

Rico.ArrayExtensions = new Array();

if (Object.prototype.extend) {
   Rico.ArrayExtensions[ Rico.ArrayExtensions.length ] = Object.prototype.extend;
}else{
  Object.prototype.extend = function(object) {
    return Object.extend.apply(this, [this, object]);
  }
  Rico.ArrayExtensions[ Rico.ArrayExtensions.length ] = Object.prototype.extend;
}

if (Array.prototype.push) {
   Rico.ArrayExtensions[ Rico.ArrayExtensions.length ] = Array.prototype.push;
}

if (!Array.prototype.remove) {
   Array.prototype.remove = function(dx) {
      if( isNaN(dx) || dx > this.length )
         return false;
      for( var i=0,n=0; i<this.length; i++ )
         if( i != dx )
            this[n++]=this[i];
      this.length-=1;
   };
  Rico.ArrayExtensions[ Rico.ArrayExtensions.length ] = Array.prototype.remove;
}

if (!Array.prototype.removeItem) {
   Array.prototype.removeItem = function(item) {
      for ( var i = 0 ; i < this.length ; i++ )
         if ( this[i] == item ) {
            this.remove(i);
            break;
         }
   };
  Rico.ArrayExtensions[ Rico.ArrayExtensions.length ] = Array.prototype.removeItem;
}

if (!Array.prototype.indices) {
   Array.prototype.indices = function() {
      var indexArray = new Array();
      for ( index in this ) {
         var ignoreThis = false;
         for ( var i = 0 ; i < Rico.ArrayExtensions.length ; i++ ) {
            if ( this[index] == Rico.ArrayExtensions[i] ) {
               ignoreThis = true;
               break;
            }
         }
         if ( !ignoreThis )
            indexArray[ indexArray.length ] = index;
      }
      return indexArray;
   }
  Rico.ArrayExtensions[ Rico.ArrayExtensions.length ] = Array.prototype.indices;
}

// Create the loadXML method and xml getter for Mozilla
if ( window.DOMParser &&
	  window.XMLSerializer &&
	  window.Node && Node.prototype && Node.prototype.__defineGetter__ ) {

   if (!Document.prototype.loadXML) {
      Document.prototype.loadXML = function (s) {
         var doc2 = (new DOMParser()).parseFromString(s, "text/xml");
         while (this.hasChildNodes())
            this.removeChild(this.lastChild);

         for (var i = 0; i < doc2.childNodes.length; i++) {
            this.appendChild(this.importNode(doc2.childNodes[i], true));
         }
      };
	}

	Document.prototype.__defineGetter__( "xml",
	   function () {
		   return (new XMLSerializer()).serializeToString(this);
	   }
	 );
}

document.getElementsByTagAndClassName = function(tagName, className) {
  if ( tagName == null )
     tagName = '*';

  var children = document.getElementsByTagName(tagName) || document.all;
  var elements = new Array();

  if ( className == null )
    return children;

  for (var i = 0; i < children.length; i++) {
    var child = children[i];
    var classNames = child.className.split(' ');
    for (var j = 0; j < classNames.length; j++) {
      if (classNames[j] == className) {
        elements.push(child);
        break;
      }
    }
  }

  return elements;
}


//-------------------- ricoAccordion.js
Rico.Accordion = Class.create();

Rico.Accordion.prototype = {

   initialize: function(container, options) {
      this.container            = $(container);
      this.lastExpandedTab      = null;
      this.accordionTabs        = new Array();
      this.setOptions(options);
      this._attachBehaviors();
      if(!container) return;

      this.container.style.borderBottom = '1px solid ' + this.options.borderColor;
      // validate onloadShowTab
       if (this.options.onLoadShowTab >= this.accordionTabs.length)
        this.options.onLoadShowTab = 0;

      // set the initial visual state...
      for ( var i=0 ; i < this.accordionTabs.length ; i++ )
      {
        if (i != this.options.onLoadShowTab){
         this.accordionTabs[i].collapse();
         this.accordionTabs[i].content.style.display = 'none';
        }
      }
      this.lastExpandedTab = this.accordionTabs[this.options.onLoadShowTab];
      if (this.options.panelHeight == 'auto'){
          var tabToCheck = (this.options.onloadShowTab === 0)? 1 : 0;
          var titleBarSize = parseInt(RicoUtil.getElementsComputedStyle(this.accordionTabs[tabToCheck].titleBar, 'height'));
          if (isNaN(titleBarSize))
            titleBarSize = this.accordionTabs[tabToCheck].titleBar.offsetHeight;
          
          var totalTitleBarSize = this.accordionTabs.length * titleBarSize;
          var parentHeight = parseInt(RicoUtil.getElementsComputedStyle(this.container.parentNode, 'height'));
          if (isNaN(parentHeight))
            parentHeight = this.container.parentNode.offsetHeight;
          
          this.options.panelHeight = parentHeight - totalTitleBarSize-2;
      }
      
      this.lastExpandedTab.content.style.height = this.options.panelHeight + "px";
      this.lastExpandedTab.showExpanded();
      this.lastExpandedTab.titleBar.style.fontWeight = this.options.expandedFontWeight;

   },

   setOptions: function(options) {
      this.options = {
         expandedBg          : '#63699c',
         hoverBg             : '#63699c',
         collapsedBg         : '#6b79a5',
         expandedTextColor   : '#ffffff',
         expandedFontWeight  : 'bold',
         hoverTextColor      : '#ffffff',
         collapsedTextColor  : '#ced7ef',
         collapsedFontWeight : 'normal',
         hoverTextColor      : '#ffffff',
         borderColor         : '#1f669b',
         panelHeight         : 200,
         onHideTab           : null,
         onShowTab           : null,
         onLoadShowTab       : 0
      }
      Object.extend(this.options, options || {});
   },

   showTabByIndex: function( anIndex, animate ) {
      var doAnimate = arguments.length == 1 ? true : animate;
      this.showTab( this.accordionTabs[anIndex], doAnimate );
   },

   showTab: function( accordionTab, animate ) {
     if ( this.lastExpandedTab == accordionTab )
        return;

      var doAnimate = arguments.length == 1 ? true : animate;

      if ( this.options.onHideTab )
         this.options.onHideTab(this.lastExpandedTab);

      this.lastExpandedTab.showCollapsed(); 
      var accordion = this;
      var lastExpandedTab = this.lastExpandedTab;

      this.lastExpandedTab.content.style.height = (this.options.panelHeight - 1) + 'px';
      accordionTab.content.style.display = '';

      accordionTab.titleBar.style.fontWeight = this.options.expandedFontWeight;

      if ( doAnimate ) {
         new Rico.Effect.AccordionSize( this.lastExpandedTab.content,
                                   accordionTab.content,
                                   1,
                                   this.options.panelHeight,
                                   100, 10,
                                   { complete: function() {accordion.showTabDone(lastExpandedTab)} } );
         this.lastExpandedTab = accordionTab;
      }
      else {
         this.lastExpandedTab.content.style.height = "1px";
         accordionTab.content.style.height = this.options.panelHeight + "px";
         this.lastExpandedTab = accordionTab;
         this.showTabDone(lastExpandedTab);
      }
   },

   showTabDone: function(collapsedTab) {
      collapsedTab.content.style.display = 'none';
      this.lastExpandedTab.showExpanded();
      if ( this.options.onShowTab )
         this.options.onShowTab(this.lastExpandedTab);
   },

   _attachBehaviors: function() {
      var panels = this._getDirectChildrenByTag(this.container, 'DIV');
      for ( var i = 0 ; i < panels.length ; i++ ) {

         var tabChildren = this._getDirectChildrenByTag(panels[i],'DIV');
         if ( tabChildren.length != 2 )
            continue; // unexpected

         var tabTitleBar   = tabChildren[0];
         var tabContentBox = tabChildren[1];
         this.accordionTabs.push( new Rico.Accordion.Tab(this,tabTitleBar,tabContentBox) );
      }
   },

   _getDirectChildrenByTag: function(e, tagName) {
      var kids = new Array();
      var allKids = e.childNodes;
      for( var i = 0 ; i < allKids.length ; i++ )
         if ( allKids[i] && allKids[i].tagName && allKids[i].tagName == tagName )
            kids.push(allKids[i]);
      return kids;
   }

};

Rico.Accordion.Tab = Class.create();

Rico.Accordion.Tab.prototype = {

   initialize: function(accordion, titleBar, content) {
      this.accordion = accordion;
      this.titleBar  = titleBar;
      this.content   = content;
      this._attachBehaviors();
   },

   collapse: function() {
      this.showCollapsed();
      this.content.style.height = "1px";
   },

   showCollapsed: function() {
      this.expanded = false;
      this.titleBar.style.backgroundColor = this.accordion.options.collapsedBg;
      this.titleBar.style.color           = this.accordion.options.collapsedTextColor;
      this.titleBar.style.fontWeight      = this.accordion.options.collapsedFontWeight;
      this.content.style.overflow = "hidden";
   },

   showExpanded: function() {
      this.expanded = true;
      this.titleBar.style.backgroundColor = this.accordion.options.expandedBg;
      this.titleBar.style.color           = this.accordion.options.expandedTextColor;
      this.content.style.overflow         = "auto";
   },

   titleBarClicked: function(e) {
      if ( this.accordion.lastExpandedTab == this )
         return;
      this.accordion.showTab(this);
   },

   hover: function(e) {
		this.titleBar.style.backgroundColor = this.accordion.options.hoverBg;
		this.titleBar.style.color           = this.accordion.options.hoverTextColor;
   },

   unhover: function(e) {
      if ( this.expanded ) {
         this.titleBar.style.backgroundColor = this.accordion.options.expandedBg;
         this.titleBar.style.color           = this.accordion.options.expandedTextColor;
      }
      else {
         this.titleBar.style.backgroundColor = this.accordion.options.collapsedBg;
         this.titleBar.style.color           = this.accordion.options.collapsedTextColor;
      }
   },

   _attachBehaviors: function() {
      this.content.style.border = "1px solid " + this.accordion.options.borderColor;
      this.content.style.borderTopWidth    = "0px";
      this.content.style.borderBottomWidth = "0px";
      this.content.style.margin            = "0px";

      this.titleBar.onclick     = this.titleBarClicked.bindAsEventListener(this);
      this.titleBar.onmouseover = this.hover.bindAsEventListener(this);
      this.titleBar.onmouseout  = this.unhover.bindAsEventListener(this);
   }

};


//-------------------- ricoAjaxEngine.js
Rico.AjaxEngine = Class.create();

Rico.AjaxEngine.prototype = {

   initialize: function() {
      this.ajaxElements = new Array();
      this.ajaxObjects  = new Array();
      this.requestURLS  = new Array();
      this.options = {};
   },

   registerAjaxElement: function( anId, anElement ) {
      if ( !anElement )
         anElement = $(anId);
      this.ajaxElements[anId] = anElement;
   },

   registerAjaxObject: function( anId, anObject ) {
      this.ajaxObjects[anId] = anObject;
   },

   registerRequest: function (requestLogicalName, requestURL) {
      this.requestURLS[requestLogicalName] = requestURL;
   },

   sendRequest: function(requestName, options) {
      // Allow for backwards Compatibility
      if ( arguments.length >= 2 )
       if (typeof arguments[1] == 'string')
         options = {parameters: this._createQueryString(arguments, 1)};
      this.sendRequestWithData(requestName, null, options);
   },

   sendRequestWithData: function(requestName, xmlDocument, options) {
      var requestURL = this.requestURLS[requestName];
      if ( requestURL == null )
         return;

      // Allow for backwards Compatibility
      if ( arguments.length >= 3 )
        if (typeof arguments[2] == 'string')
          options.parameters = this._createQueryString(arguments, 2);

      new Ajax.Request(requestURL, this._requestOptions(options,xmlDocument));
   },

   sendRequestAndUpdate: function(requestName,container,options) {
      // Allow for backwards Compatibility
      if ( arguments.length >= 3 )
        if (typeof arguments[2] == 'string')
          options.parameters = this._createQueryString(arguments, 2);

      this.sendRequestWithDataAndUpdate(requestName, null, container, options);
   },

   sendRequestWithDataAndUpdate: function(requestName,xmlDocument,container,options) {
      var requestURL = this.requestURLS[requestName];
      if ( requestURL == null )
         return;

      // Allow for backwards Compatibility
      if ( arguments.length >= 4 )
        if (typeof arguments[3] == 'string')
          options.parameters = this._createQueryString(arguments, 3);

      var updaterOptions = this._requestOptions(options,xmlDocument);

      new Ajax.Updater(container, requestURL, updaterOptions);
   },

   // Private -- not part of intended engine API --------------------------------------------------------------------

   _requestOptions: function(options,xmlDoc) {
      var requestHeaders = ['X-Rico-Version', Rico.Version ];
      var sendMethod = 'post';
      if ( xmlDoc == null )
        if (Rico.prototypeVersion < 1.4)
        requestHeaders.push( 'Content-type', 'text/xml' );
      else
          sendMethod = 'get';
      (!options) ? options = {} : '';

      if (!options._RicoOptionsProcessed){
      // Check and keep any user onComplete functions
        if (options.onComplete)
             options.onRicoComplete = options.onComplete;
        // Fix onComplete
        if (options.overrideOnComplete)
          options.onComplete = options.overrideOnComplete;
        else
          options.onComplete = this._onRequestComplete.bind(this);
        options._RicoOptionsProcessed = true;
      }

     // Set the default options and extend with any user options
     this.options = {
                     requestHeaders: requestHeaders,
                     parameters:     options.parameters,
                     postBody:       xmlDoc,
                     method:         sendMethod,
                     onComplete:     options.onComplete
                    };
     // Set any user options:
     Object.extend(this.options, options);
     return this.options;
   },

   _createQueryString: function( theArgs, offset ) {
      var queryString = ""
      for ( var i = offset ; i < theArgs.length ; i++ ) {
          if ( i != offset )
            queryString += "&";

          var anArg = theArgs[i];

          if ( anArg.name != undefined && anArg.value != undefined ) {
            queryString += anArg.name +  "=" + escape(anArg.value);
          }
          else {
             var ePos  = anArg.indexOf('=');
             var argName  = anArg.substring( 0, ePos );
             var argValue = anArg.substring( ePos + 1 );
             queryString += argName + "=" + escape(argValue);
          }
      }
      return queryString;
   },

   _onRequestComplete : function(request) {
      if(!request)
          return;
      // User can set an onFailure option - which will be called by prototype
      if (request.status != 200)
        return;

      var response = request.responseXML.getElementsByTagName("ajax-response");
      if (response == null || response.length != 1)
         return;
      this._processAjaxResponse( response[0].childNodes );
      
      // Check if user has set a onComplete function
      var onRicoComplete = this.options.onRicoComplete;
      if (onRicoComplete != null)
          onRicoComplete();
   },

   _processAjaxResponse: function( xmlResponseElements ) {
      for ( var i = 0 ; i < xmlResponseElements.length ; i++ ) {
         var responseElement = xmlResponseElements[i];

         // only process nodes of type element.....
         if ( responseElement.nodeType != 1 )
            continue;

         var responseType = responseElement.getAttribute("type");
         var responseId   = responseElement.getAttribute("id");

         if ( responseType == "object" )
            this._processAjaxObjectUpdate( this.ajaxObjects[ responseId ], responseElement );
         else if ( responseType == "element" )
            this._processAjaxElementUpdate( this.ajaxElements[ responseId ], responseElement );
         else
            alert('unrecognized AjaxResponse type : ' + responseType );
      }
   },

   _processAjaxObjectUpdate: function( ajaxObject, responseElement ) {
      ajaxObject.ajaxUpdate( responseElement );
   },

   _processAjaxElementUpdate: function( ajaxElement, responseElement ) {
      ajaxElement.innerHTML = RicoUtil.getContentAsString(responseElement);
   }

}

var ajaxEngine = new Rico.AjaxEngine();


//-------------------- ricoColor.js
Rico.Color = Class.create();

Rico.Color.prototype = {

   initialize: function(red, green, blue) {
      this.rgb = { r: red, g : green, b : blue };
   },

   setRed: function(r) {
      this.rgb.r = r;
   },

   setGreen: function(g) {
      this.rgb.g = g;
   },

   setBlue: function(b) {
      this.rgb.b = b;
   },

   setHue: function(h) {

      // get an HSB model, and set the new hue...
      var hsb = this.asHSB();
      hsb.h = h;

      // convert back to RGB...
      this.rgb = Rico.Color.HSBtoRGB(hsb.h, hsb.s, hsb.b);
   },

   setSaturation: function(s) {
      // get an HSB model, and set the new hue...
      var hsb = this.asHSB();
      hsb.s = s;

      // convert back to RGB and set values...
      this.rgb = Rico.Color.HSBtoRGB(hsb.h, hsb.s, hsb.b);
   },

   setBrightness: function(b) {
      // get an HSB model, and set the new hue...
      var hsb = this.asHSB();
      hsb.b = b;

      // convert back to RGB and set values...
      this.rgb = Rico.Color.HSBtoRGB( hsb.h, hsb.s, hsb.b );
   },

   darken: function(percent) {
      var hsb  = this.asHSB();
      this.rgb = Rico.Color.HSBtoRGB(hsb.h, hsb.s, Math.max(hsb.b - percent,0));
   },

   brighten: function(percent) {
      var hsb  = this.asHSB();
      this.rgb = Rico.Color.HSBtoRGB(hsb.h, hsb.s, Math.min(hsb.b + percent,1));
   },

   blend: function(other) {
      this.rgb.r = Math.floor((this.rgb.r + other.rgb.r)/2);
      this.rgb.g = Math.floor((this.rgb.g + other.rgb.g)/2);
      this.rgb.b = Math.floor((this.rgb.b + other.rgb.b)/2);
   },

   isBright: function() {
      var hsb = this.asHSB();
      return this.asHSB().b > 0.5;
   },

   isDark: function() {
      return ! this.isBright();
   },

   asRGB: function() {
      return "rgb(" + this.rgb.r + "," + this.rgb.g + "," + this.rgb.b + ")";
   },

   asHex: function() {
      return "#" + this.rgb.r.toColorPart() + this.rgb.g.toColorPart() + this.rgb.b.toColorPart();
   },

   asHSB: function() {
      return Rico.Color.RGBtoHSB(this.rgb.r, this.rgb.g, this.rgb.b);
   },

   toString: function() {
      return this.asHex();
   }

};

Rico.Color.createFromHex = function(hexCode) {
  if(hexCode.length==4) {
    var shortHexCode = hexCode; 
    var hexCode = '#';
    for(var i=1;i<4;i++) hexCode += (shortHexCode.charAt(i) + 
shortHexCode.charAt(i));
  }
   if ( hexCode.indexOf('#') == 0 )
      hexCode = hexCode.substring(1);
   var red   = hexCode.substring(0,2);
   var green = hexCode.substring(2,4);
   var blue  = hexCode.substring(4,6);
   return new Rico.Color( parseInt(red,16), parseInt(green,16), parseInt(blue,16) );
}

/**
 * Factory method for creating a color from the background of
 * an HTML element.
 */
Rico.Color.createColorFromBackground = function(elem) {

   var actualColor = RicoUtil.getElementsComputedStyle($(elem), "backgroundColor", "background-color");

   if ( actualColor == "transparent" && elem.parentNode )
      return Rico.Color.createColorFromBackground(elem.parentNode);

   if ( actualColor == null )
      return new Rico.Color(255,255,255);

   if ( actualColor.indexOf("rgb(") == 0 ) {
      var colors = actualColor.substring(4, actualColor.length - 1 );
      var colorArray = colors.split(",");
      return new Rico.Color( parseInt( colorArray[0] ),
                            parseInt( colorArray[1] ),
                            parseInt( colorArray[2] )  );

   }
   else if ( actualColor.indexOf("#") == 0 ) {
      return Rico.Color.createFromHex(actualColor);
   }
   else
      return new Rico.Color(255,255,255);
}

Rico.Color.HSBtoRGB = function(hue, saturation, brightness) {

   var red   = 0;
	var green = 0;
	var blue  = 0;

   if (saturation == 0) {
      red = parseInt(brightness * 255.0 + 0.5);
	   green = red;
	   blue = red;
	}
	else {
      var h = (hue - Math.floor(hue)) * 6.0;
      var f = h - Math.floor(h);
      var p = brightness * (1.0 - saturation);
      var q = brightness * (1.0 - saturation * f);
      var t = brightness * (1.0 - (saturation * (1.0 - f)));

      switch (parseInt(h)) {
         case 0:
            red   = (brightness * 255.0 + 0.5);
            green = (t * 255.0 + 0.5);
            blue  = (p * 255.0 + 0.5);
            break;
         case 1:
            red   = (q * 255.0 + 0.5);
            green = (brightness * 255.0 + 0.5);
            blue  = (p * 255.0 + 0.5);
            break;
         case 2:
            red   = (p * 255.0 + 0.5);
            green = (brightness * 255.0 + 0.5);
            blue  = (t * 255.0 + 0.5);
            break;
         case 3:
            red   = (p * 255.0 + 0.5);
            green = (q * 255.0 + 0.5);
            blue  = (brightness * 255.0 + 0.5);
            break;
         case 4:
            red   = (t * 255.0 + 0.5);
            green = (p * 255.0 + 0.5);
            blue  = (brightness * 255.0 + 0.5);
            break;
          case 5:
            red   = (brightness * 255.0 + 0.5);
            green = (p * 255.0 + 0.5);
            blue  = (q * 255.0 + 0.5);
            break;
	    }
	}

   return { r : parseInt(red), g : parseInt(green) , b : parseInt(blue) };
}

Rico.Color.RGBtoHSB = function(r, g, b) {

   var hue;
   var saturation;
   var brightness;

   var cmax = (r > g) ? r : g;
   if (b > cmax)
      cmax = b;

   var cmin = (r < g) ? r : g;
   if (b < cmin)
      cmin = b;

   brightness = cmax / 255.0;
   if (cmax != 0)
      saturation = (cmax - cmin)/cmax;
   else
      saturation = 0;

   if (saturation == 0)
      hue = 0;
   else {
      var redc   = (cmax - r)/(cmax - cmin);
    	var greenc = (cmax - g)/(cmax - cmin);
    	var bluec  = (cmax - b)/(cmax - cmin);

    	if (r == cmax)
    	   hue = bluec - greenc;
    	else if (g == cmax)
    	   hue = 2.0 + redc - bluec;
      else
    	   hue = 4.0 + greenc - redc;

    	hue = hue / 6.0;
    	if (hue < 0)
    	   hue = hue + 1.0;
   }

   return { h : hue, s : saturation, b : brightness };
}


//-------------------- ricoCorner.js
Rico.Corner = {

   round: function(e, options) {
      var e = $(e);
      this._setOptions(options);

      var color = this.options.color;
      if ( this.options.color == "fromElement" )
         color = this._background(e);

      var bgColor = this.options.bgColor;
      if ( this.options.bgColor == "fromParent" )
         bgColor = this._background(e.offsetParent);

      this._roundCornersImpl(e, color, bgColor);
   },

   _roundCornersImpl: function(e, color, bgColor) {
      if(this.options.border)
         this._renderBorder(e,bgColor);
      if(this._isTopRounded())
         this._roundTopCorners(e,color,bgColor);
      if(this._isBottomRounded())
         this._roundBottomCorners(e,color,bgColor);
   },

   _renderBorder: function(el,bgColor) {
      var borderValue = "1px solid " + this._borderColor(bgColor);
      var borderL = "border-left: "  + borderValue;
      var borderR = "border-right: " + borderValue;
      var style   = "style='" + borderL + ";" + borderR +  "'";
      el.innerHTML = "<div " + style + ">" + el.innerHTML + "</div>"
   },

   _roundTopCorners: function(el, color, bgColor) {
      var corner = this._createCorner(bgColor);
      for(var i=0 ; i < this.options.numSlices ; i++ )
         corner.appendChild(this._createCornerSlice(color,bgColor,i,"top"));
      el.style.paddingTop = 0;
      el.insertBefore(corner,el.firstChild);
   },

   _roundBottomCorners: function(el, color, bgColor) {
      var corner = this._createCorner(bgColor);
      for(var i=(this.options.numSlices-1) ; i >= 0 ; i-- )
         corner.appendChild(this._createCornerSlice(color,bgColor,i,"bottom"));
      el.style.paddingBottom = 0;
      el.appendChild(corner);
   },

   _createCorner: function(bgColor) {
      var corner = document.createElement("div");
      corner.style.backgroundColor = (this._isTransparent() ? "transparent" : bgColor);
      return corner;
   },

   _createCornerSlice: function(color,bgColor, n, position) {
      var slice = document.createElement("span");

      var inStyle = slice.style;
      inStyle.backgroundColor = color;
      inStyle.display  = "block";
      inStyle.height   = "1px";
      inStyle.overflow = "hidden";
      inStyle.fontSize = "1px";

      var borderColor = this._borderColor(color,bgColor);
      if ( this.options.border && n == 0 ) {
         inStyle.borderTopStyle    = "solid";
         inStyle.borderTopWidth    = "1px";
         inStyle.borderLeftWidth   = "0px";
         inStyle.borderRightWidth  = "0px";
         inStyle.borderBottomWidth = "0px";
         inStyle.height            = "0px"; // assumes css compliant box model
         inStyle.borderColor       = borderColor;
      }
      else if(borderColor) {
         inStyle.borderColor = borderColor;
         inStyle.borderStyle = "solid";
         inStyle.borderWidth = "0px 1px";
      }

      if ( !this.options.compact && (n == (this.options.numSlices-1)) )
         inStyle.height = "2px";

      this._setMargin(slice, n, position);
      this._setBorder(slice, n, position);
      return slice;
   },

   _setOptions: function(options) {
      this.options = {
         corners : "all",
         color   : "fromElement",
         bgColor : "fromParent",
         blend   : true,
         border  : false,
         compact : false
      }
      Object.extend(this.options, options || {});

      this.options.numSlices = this.options.compact ? 2 : 4;
      if ( this._isTransparent() )
         this.options.blend = false;
   },

   _whichSideTop: function() {
      if ( this._hasString(this.options.corners, "all", "top") )
         return "";

      if ( this.options.corners.indexOf("tl") >= 0 && this.options.corners.indexOf("tr") >= 0 )
         return "";

      if (this.options.corners.indexOf("tl") >= 0)
         return "left";
      else if (this.options.corners.indexOf("tr") >= 0)
          return "right";
      return "";
   },

   _whichSideBottom: function() {
      if ( this._hasString(this.options.corners, "all", "bottom") )
         return "";

      if ( this.options.corners.indexOf("bl")>=0 && this.options.corners.indexOf("br")>=0 )
         return "";

      if(this.options.corners.indexOf("bl") >=0)
         return "left";
      else if(this.options.corners.indexOf("br")>=0)
         return "right";
      return "";
   },

   _borderColor : function(color,bgColor) {
      if ( color == "transparent" )
         return bgColor;
      else if ( this.options.border )
         return this.options.border;
      else if ( this.options.blend )
         return this._blend( bgColor, color );
      else
         return "";
   },


   _setMargin: function(el, n, corners) {
      var marginSize = this._marginSize(n);
      var whichSide = corners == "top" ? this._whichSideTop() : this._whichSideBottom();

      if ( whichSide == "left" ) {
         el.style.marginLeft = marginSize + "px"; el.style.marginRight = "0px";
      }
      else if ( whichSide == "right" ) {
         el.style.marginRight = marginSize + "px"; el.style.marginLeft  = "0px";
      }
      else {
         el.style.marginLeft = marginSize + "px"; el.style.marginRight = marginSize + "px";
      }
   },

   _setBorder: function(el,n,corners) {
      var borderSize = this._borderSize(n);
      var whichSide = corners == "top" ? this._whichSideTop() : this._whichSideBottom();
      if ( whichSide == "left" ) {
         el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = "0px";
      }
      else if ( whichSide == "right" ) {
         el.style.borderRightWidth = borderSize + "px"; el.style.borderLeftWidth  = "0px";
      }
      else {
         el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = borderSize + "px";
      }
      if (this.options.border != false)
        el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = borderSize + "px";
   },

   _marginSize: function(n) {
      if ( this._isTransparent() )
         return 0;

      var marginSizes          = [ 5, 3, 2, 1 ];
      var blendedMarginSizes   = [ 3, 2, 1, 0 ];
      var compactMarginSizes   = [ 2, 1 ];
      var smBlendedMarginSizes = [ 1, 0 ];

      if ( this.options.compact && this.options.blend )
         return smBlendedMarginSizes[n];
      else if ( this.options.compact )
         return compactMarginSizes[n];
      else if ( this.options.blend )
         return blendedMarginSizes[n];
      else
         return marginSizes[n];
   },

   _borderSize: function(n) {
      var transparentBorderSizes = [ 5, 3, 2, 1 ];
      var blendedBorderSizes     = [ 2, 1, 1, 1 ];
      var compactBorderSizes     = [ 1, 0 ];
      var actualBorderSizes      = [ 0, 2, 0, 0 ];

      if ( this.options.compact && (this.options.blend || this._isTransparent()) )
         return 1;
      else if ( this.options.compact )
         return compactBorderSizes[n];
      else if ( this.options.blend )
         return blendedBorderSizes[n];
      else if ( this.options.border )
         return actualBorderSizes[n];
      else if ( this._isTransparent() )
         return transparentBorderSizes[n];
      return 0;
   },

   _hasString: function(str) { for(var i=1 ; i<arguments.length ; i++) if (str.indexOf(arguments[i]) >= 0) return true; return false; },
   _blend: function(c1, c2) { var cc1 = Rico.Color.createFromHex(c1); cc1.blend(Rico.Color.createFromHex(c2)); return cc1; },
   _background: function(el) { try { return Rico.Color.createColorFromBackground(el).asHex(); } catch(err) { return "#ffffff"; } },
   _isTransparent: function() { return this.options.color == "transparent"; },
   _isTopRounded: function() { return this._hasString(this.options.corners, "all", "top", "tl", "tr"); },
   _isBottomRounded: function() { return this._hasString(this.options.corners, "all", "bottom", "bl", "br"); },
   _hasSingleTextChild: function(el) { return el.childNodes.length == 1 && el.childNodes[0].nodeType == 3; }
}


//-------------------- ricoDragAndDrop.js
Rico.DragAndDrop = Class.create();

Rico.DragAndDrop.prototype = {

   initialize: function() {
      this.dropZones                = new Array();
      this.draggables               = new Array();
      this.currentDragObjects       = new Array();
      this.dragElement              = null;
      this.lastSelectedDraggable    = null;
      this.currentDragObjectVisible = false;
      this.interestedInMotionEvents = false;
      this._mouseDown = this._mouseDownHandler.bindAsEventListener(this);
      this._mouseMove = this._mouseMoveHandler.bindAsEventListener(this);
      this._mouseUp = this._mouseUpHandler.bindAsEventListener(this);
   },

   registerDropZone: function(aDropZone) {
      this.dropZones[ this.dropZones.length ] = aDropZone;
   },

   deregisterDropZone: function(aDropZone) {
      var newDropZones = new Array();
      var j = 0;
      for ( var i = 0 ; i < this.dropZones.length ; i++ ) {
         if ( this.dropZones[i] != aDropZone )
            newDropZones[j++] = this.dropZones[i];
      }

      this.dropZones = newDropZones;
   },

   clearDropZones: function() {
      this.dropZones = new Array();
   },

   registerDraggable: function( aDraggable ) {
      this.draggables[ this.draggables.length ] = aDraggable;
      this._addMouseDownHandler( aDraggable );
   },

   clearSelection: function() {
      for ( var i = 0 ; i < this.currentDragObjects.length ; i++ )
         this.currentDragObjects[i].deselect();
      this.currentDragObjects = new Array();
      this.lastSelectedDraggable = null;
   },

   hasSelection: function() {
      return this.currentDragObjects.length > 0;
   },

   setStartDragFromElement: function( e, mouseDownElement ) {
      this.origPos = RicoUtil.toDocumentPosition(mouseDownElement);
      this.startx = e.screenX - this.origPos.x
      this.starty = e.screenY - this.origPos.y
      //this.startComponentX = e.layerX ? e.layerX : e.offsetX;
      //this.startComponentY = e.layerY ? e.layerY : e.offsetY;
      //this.adjustedForDraggableSize = false;

      this.interestedInMotionEvents = this.hasSelection();
      this._terminateEvent(e);
   },

   updateSelection: function( draggable, extendSelection ) {
      if ( ! extendSelection )
         this.clearSelection();

      if ( draggable.isSelected() ) {
         this.currentDragObjects.removeItem(draggable);
         draggable.deselect();
         if ( draggable == this.lastSelectedDraggable )
            this.lastSelectedDraggable = null;
      }
      else {
         this.currentDragObjects[ this.currentDragObjects.length ] = draggable;
         draggable.select();
         this.lastSelectedDraggable = draggable;
      }
   },

   _mouseDownHandler: function(e) {
      if ( arguments.length == 0 )
         e = event;

      // if not button 1 ignore it...
      var nsEvent = e.which != undefined;
      if ( (nsEvent && e.which != 1) || (!nsEvent && e.button != 1))
         return;

      var eventTarget      = e.target ? e.target : e.srcElement;
      var draggableObject  = eventTarget.draggable;

      var candidate = eventTarget;
      while (draggableObject == null && candidate.parentNode) {
         candidate = candidate.parentNode;
         draggableObject = candidate.draggable;
      }
   
      if ( draggableObject == null )
         return;

      this.updateSelection( draggableObject, e.ctrlKey );

      // clear the drop zones postion cache...
      if ( this.hasSelection() )
         for ( var i = 0 ; i < this.dropZones.length ; i++ )
            this.dropZones[i].clearPositionCache();

      this.setStartDragFromElement( e, draggableObject.getMouseDownHTMLElement() );
   },


   _mouseMoveHandler: function(e) {
      var nsEvent = e.which != undefined;
      if ( !this.interestedInMotionEvents ) {
         //this._terminateEvent(e);
         return;
      }

      if ( ! this.hasSelection() )
         return;

      if ( ! this.currentDragObjectVisible )
         this._startDrag(e);

      if ( !this.activatedDropZones )
         this._activateRegisteredDropZones();

      //if ( !this.adjustedForDraggableSize )
      //   this._adjustForDraggableSize(e);

      this._updateDraggableLocation(e);
      this._updateDropZonesHover(e);

      this._terminateEvent(e);
   },

   _makeDraggableObjectVisible: function(e)
   {
      if ( !this.hasSelection() )
         return;

      var dragElement;
      if ( this.currentDragObjects.length > 1 )
         dragElement = this.currentDragObjects[0].getMultiObjectDragGUI(this.currentDragObjects);
      else
         dragElement = this.currentDragObjects[0].getSingleObjectDragGUI();

      // go ahead and absolute position it...
      if ( RicoUtil.getElementsComputedStyle(dragElement, "position")  != "absolute" )
         dragElement.style.position = "absolute";

      // need to parent him into the document...
      if ( dragElement.parentNode == null || dragElement.parentNode.nodeType == 11 )
         document.body.appendChild(dragElement);

      this.dragElement = dragElement;
      this._updateDraggableLocation(e);

      this.currentDragObjectVisible = true;
   },

   /**
   _adjustForDraggableSize: function(e) {
      var dragElementWidth  = this.dragElement.offsetWidth;
      var dragElementHeight = this.dragElement.offsetHeight;
      if ( this.startComponentX > dragElementWidth )
         this.startx -= this.startComponentX - dragElementWidth + 2;
      if ( e.offsetY ) {
         if ( this.startComponentY > dragElementHeight )
            this.starty -= this.startComponentY - dragElementHeight + 2;
      }
      this.adjustedForDraggableSize = true;
   },
   **/

   _leftOffset: function(e) {
	   return e.offsetX ? document.body.scrollLeft : 0
	},

   _topOffset: function(e) {
	   return e.offsetY ? document.body.scrollTop:0
	},

		
   _updateDraggableLocation: function(e) {
      var dragObjectStyle = this.dragElement.style;
      dragObjectStyle.left = (e.screenX + this._leftOffset(e) - this.startx) + "px"
      dragObjectStyle.top  = (e.screenY + this._topOffset(e) - this.starty) + "px";
   },

   _updateDropZonesHover: function(e) {
      var n = this.dropZones.length;
      for ( var i = 0 ; i < n ; i++ ) {
         if ( ! this._mousePointInDropZone( e, this.dropZones[i] ) )
            this.dropZones[i].hideHover();
      }

      for ( var i = 0 ; i < n ; i++ ) {
         if ( this._mousePointInDropZone( e, this.dropZones[i] ) ) {
            if ( this.dropZones[i].canAccept(this.currentDragObjects) )
               this.dropZones[i].showHover();
         }
      }
   },

   _startDrag: function(e) {
      for ( var i = 0 ; i < this.currentDragObjects.length ; i++ )
         this.currentDragObjects[i].startDrag();

      this._makeDraggableObjectVisible(e);
   },

   _mouseUpHandler: function(e) {
      if ( ! this.hasSelection() )
         return;

      var nsEvent = e.which != undefined;
      if ( (nsEvent && e.which != 1) || (!nsEvent && e.button != 1))
         return;

      this.interestedInMotionEvents = false;

      if ( this.dragElement == null ) {
         this._terminateEvent(e);
         return;
      }

      if ( this._placeDraggableInDropZone(e) )
         this._completeDropOperation(e);
      else {
         this._terminateEvent(e);
         new Rico.Effect.Position( this.dragElement,
                              this.origPos.x,
                              this.origPos.y,
                              200,
                              20,
                              { complete : this._doCancelDragProcessing.bind(this) } );
      }

     Event.stopObserving(document.body, "mousemove", this._mouseMove);
     Event.stopObserving(document.body, "mouseup",  this._mouseUp);
   },

   _retTrue: function () {
      return true;
   },

   _completeDropOperation: function(e) {
      if ( this.dragElement != this.currentDragObjects[0].getMouseDownHTMLElement() ) {
         if ( this.dragElement.parentNode != null )
            this.dragElement.parentNode.removeChild(this.dragElement);
      }

      this._deactivateRegisteredDropZones();
      this._endDrag();
      this.clearSelection();
      this.dragElement = null;
      this.currentDragObjectVisible = false;
      this._terminateEvent(e);
   },

   _doCancelDragProcessing: function() {
      this._cancelDrag();

        if ( this.dragElement != this.currentDragObjects[0].getMouseDownHTMLElement() && this.dragElement)
           if ( this.dragElement.parentNode != null )
              this.dragElement.parentNode.removeChild(this.dragElement);


      this._deactivateRegisteredDropZones();
      this.dragElement = null;
      this.currentDragObjectVisible = false;
   },

   _placeDraggableInDropZone: function(e) {
      var foundDropZone = false;
      var n = this.dropZones.length;
      for ( var i = 0 ; i < n ; i++ ) {
         if ( this._mousePointInDropZone( e, this.dropZones[i] ) ) {
            if ( this.dropZones[i].canAccept(this.currentDragObjects) ) {
               this.dropZones[i].hideHover();
               this.dropZones[i].accept(this.currentDragObjects);
               foundDropZone = true;
               break;
            }
         }
      }

      return foundDropZone;
   },

   _cancelDrag: function() {
      for ( var i = 0 ; i < this.currentDragObjects.length ; i++ )
         this.currentDragObjects[i].cancelDrag();
   },

   _endDrag: function() {
      for ( var i = 0 ; i < this.currentDragObjects.length ; i++ )
         this.currentDragObjects[i].endDrag();
   },

   _mousePointInDropZone: function( e, dropZone ) {

      var absoluteRect = dropZone.getAbsoluteRect();

      return e.clientX  > absoluteRect.left + this._leftOffset(e) &&
             e.clientX  < absoluteRect.right + this._leftOffset(e) &&
             e.clientY  > absoluteRect.top + this._topOffset(e)   &&
             e.clientY  < absoluteRect.bottom + this._topOffset(e);
   },

   _addMouseDownHandler: function( aDraggable )
   {
       htmlElement  = aDraggable.getMouseDownHTMLElement();
      if ( htmlElement  != null ) { 
         htmlElement.draggable = aDraggable;
         Event.observe(htmlElement , "mousedown", this._onmousedown.bindAsEventListener(this));
         Event.observe(htmlElement, "mousedown", this._mouseDown);
      }
   },

   _activateRegisteredDropZones: function() {
      var n = this.dropZones.length;
      for ( var i = 0 ; i < n ; i++ ) {
         var dropZone = this.dropZones[i];
         if ( dropZone.canAccept(this.currentDragObjects) )
            dropZone.activate();
      }

      this.activatedDropZones = true;
   },

   _deactivateRegisteredDropZones: function() {
      var n = this.dropZones.length;
      for ( var i = 0 ; i < n ; i++ )
         this.dropZones[i].deactivate();
      this.activatedDropZones = false;
   },

   _onmousedown: function () {
     Event.observe(document.body, "mousemove", this._mouseMove);
     Event.observe(document.body, "mouseup",  this._mouseUp);
   },

   _terminateEvent: function(e) {
      if ( e.stopPropagation != undefined )
         e.stopPropagation();
      else if ( e.cancelBubble != undefined )
         e.cancelBubble = true;

      if ( e.preventDefault != undefined )
         e.preventDefault();
      else
         e.returnValue = false;
   },


	   initializeEventHandlers: function() {
	      if ( typeof document.implementation != "undefined" &&
	         document.implementation.hasFeature("HTML",   "1.0") &&
	         document.implementation.hasFeature("Events", "2.0") &&
	         document.implementation.hasFeature("CSS",    "2.0") ) {
	         document.addEventListener("mouseup",   this._mouseUpHandler.bindAsEventListener(this),  false);
	         document.addEventListener("mousemove", this._mouseMoveHandler.bindAsEventListener(this), false);
	      }
	      else {
	         document.attachEvent( "onmouseup",   this._mouseUpHandler.bindAsEventListener(this) );
	         document.attachEvent( "onmousemove", this._mouseMoveHandler.bindAsEventListener(this) );
	      }
	   }
	}

	var dndMgr = new Rico.DragAndDrop();
	dndMgr.initializeEventHandlers();


//-------------------- ricoDraggable.js
Rico.Draggable = Class.create();

Rico.Draggable.prototype = {

   initialize: function( type, htmlElement ) {
      this.type          = type;
      this.htmlElement   = $(htmlElement);
      this.selected      = false;
   },

   /**
    *   Returns the HTML element that should have a mouse down event
    *   added to it in order to initiate a drag operation
    *
    **/
   getMouseDownHTMLElement: function() {
      return this.htmlElement;
   },

   select: function() {
      this.selected = true;

      if ( this.showingSelected )
         return;

      var htmlElement = this.getMouseDownHTMLElement();

      var color = Rico.Color.createColorFromBackground(htmlElement);
      color.isBright() ? color.darken(0.033) : color.brighten(0.033);

      this.saveBackground = RicoUtil.getElementsComputedStyle(htmlElement, "backgroundColor", "background-color");
      htmlElement.style.backgroundColor = color.asHex();
      this.showingSelected = true;
   },

   deselect: function() {
      this.selected = false;
      if ( !this.showingSelected )
         return;

      var htmlElement = this.getMouseDownHTMLElement();

      htmlElement.style.backgroundColor = this.saveBackground;
      this.showingSelected = false;
   },

   isSelected: function() {
      return this.selected;
   },

   startDrag: function() {
   },

   cancelDrag: function() {
   },

   endDrag: function() {
   },

   getSingleObjectDragGUI: function() {
      return this.htmlElement;
   },

   getMultiObjectDragGUI: function( draggables ) {
      return this.htmlElement;
   },

   getDroppedGUI: function() {
      return this.htmlElement;
   },

   toString: function() {
      return this.type + ":" + this.htmlElement + ":";
   }

}


//-------------------- ricoDropzone.js
Rico.Dropzone = Class.create();

Rico.Dropzone.prototype = {

   initialize: function( htmlElement ) {
      this.htmlElement  = $(htmlElement);
      this.absoluteRect = null;
   },

   getHTMLElement: function() {
      return this.htmlElement;
   },

   clearPositionCache: function() {
      this.absoluteRect = null;
   },

   getAbsoluteRect: function() {
      if ( this.absoluteRect == null ) {
         var htmlElement = this.getHTMLElement();
         var pos = RicoUtil.toViewportPosition(htmlElement);

         this.absoluteRect = {
            top:    pos.y,
            left:   pos.x,
            bottom: pos.y + htmlElement.offsetHeight,
            right:  pos.x + htmlElement.offsetWidth
         };
      }
      return this.absoluteRect;
   },

   activate: function() {
      var htmlElement = this.getHTMLElement();
      if (htmlElement == null  || this.showingActive)
         return;

      this.showingActive = true;
      this.saveBackgroundColor = htmlElement.style.backgroundColor;

      var fallbackColor = "#ffea84";
      var currentColor = Rico.Color.createColorFromBackground(htmlElement);
      if ( currentColor == null )
         htmlElement.style.backgroundColor = fallbackColor;
      else {
         currentColor.isBright() ? currentColor.darken(0.2) : currentColor.brighten(0.2);
         htmlElement.style.backgroundColor = currentColor.asHex();
      }
   },

   deactivate: function() {
      var htmlElement = this.getHTMLElement();
      if (htmlElement == null || !this.showingActive)
         return;

      htmlElement.style.backgroundColor = this.saveBackgroundColor;
      this.showingActive = false;
      this.saveBackgroundColor = null;
   },

   showHover: function() {
      var htmlElement = this.getHTMLElement();
      if ( htmlElement == null || this.showingHover )
         return;

      this.saveBorderWidth = htmlElement.style.borderWidth;
      this.saveBorderStyle = htmlElement.style.borderStyle;
      this.saveBorderColor = htmlElement.style.borderColor;

      this.showingHover = true;
      htmlElement.style.borderWidth = "1px";
      htmlElement.style.borderStyle = "solid";
      //htmlElement.style.borderColor = "#ff9900";
      htmlElement.style.borderColor = "#ffff00";
   },

   hideHover: function() {
      var htmlElement = this.getHTMLElement();
      if ( htmlElement == null || !this.showingHover )
         return;

      htmlElement.style.borderWidth = this.saveBorderWidth;
      htmlElement.style.borderStyle = this.saveBorderStyle;
      htmlElement.style.borderColor = this.saveBorderColor;
      this.showingHover = false;
   },

   canAccept: function(draggableObjects) {
      return true;
   },

   accept: function(draggableObjects) {
      var htmlElement = this.getHTMLElement();
      if ( htmlElement == null )
         return;

      n = draggableObjects.length;
      for ( var i = 0 ; i < n ; i++ )
      {
         var theGUI = draggableObjects[i].getDroppedGUI();
         if ( RicoUtil.getElementsComputedStyle( theGUI, "position" ) == "absolute" )
         {
            theGUI.style.position = "static";
            theGUI.style.top = "";
            theGUI.style.top = "";
         }
         htmlElement.appendChild(theGUI);
      }
   }
}


//-------------------- ricoEffects.js

Rico.Effect = {};

Rico.Effect.SizeAndPosition = Class.create();
Rico.Effect.SizeAndPosition.prototype = {

   initialize: function(element, x, y, w, h, duration, steps, options) {
      this.element = $(element);
      this.x = x;
      this.y = y;
      this.w = w;
      this.h = h;
      this.duration = duration;
      this.steps    = steps;
      this.options  = arguments[7] || {};

      this.sizeAndPosition();
   },

   sizeAndPosition: function() {
      if (this.isFinished()) {
         if(this.options.complete) this.options.complete(this);
         return;
      }

      if (this.timer)
         clearTimeout(this.timer);

      var stepDuration = Math.round(this.duration/this.steps) ;

      // Get original values: x,y = top left corner;  w,h = width height
      var currentX = this.element.offsetLeft;
      var currentY = this.element.offsetTop;
      var currentW = this.element.offsetWidth;
      var currentH = this.element.offsetHeight;

      // If values not set, or zero, we do not modify them, and take original as final as well
      this.x = (this.x) ? this.x : currentX;
      this.y = (this.y) ? this.y : currentY;
      this.w = (this.w) ? this.w : currentW;
      this.h = (this.h) ? this.h : currentH;

      // how much do we need to modify our values for each step?
      var difX = this.steps >  0 ? (this.x - currentX)/this.steps : 0;
      var difY = this.steps >  0 ? (this.y - currentY)/this.steps : 0;
      var difW = this.steps >  0 ? (this.w - currentW)/this.steps : 0;
      var difH = this.steps >  0 ? (this.h - currentH)/this.steps : 0;

      this.moveBy(difX, difY);
      this.resizeBy(difW, difH);

      this.duration -= stepDuration;
      this.steps--;

      this.timer = setTimeout(this.sizeAndPosition.bind(this), stepDuration);
   },

   isFinished: function() {
      return this.steps <= 0;
   },

   moveBy: function( difX, difY ) {
      var currentLeft = this.element.offsetLeft;
      var currentTop  = this.element.offsetTop;
      var intDifX     = parseInt(difX);
      var intDifY     = parseInt(difY);

      var style = this.element.style;
      if ( intDifX != 0 )
         style.left = (currentLeft + intDifX) + "px";
      if ( intDifY != 0 )
         style.top  = (currentTop + intDifY) + "px";
   },

   resizeBy: function( difW, difH ) {
      var currentWidth  = this.element.offsetWidth;
      var currentHeight = this.element.offsetHeight;
      var intDifW       = parseInt(difW);
      var intDifH       = parseInt(difH);

      var style = this.element.style;
      if ( intDifW != 0 )
         style.width   = (currentWidth  + intDifW) + "px";
      if ( intDifH != 0 )
         style.height  = (currentHeight + intDifH) + "px";
   }
}

Rico.Effect.Size = Class.create();
Rico.Effect.Size.prototype = {

   initialize: function(element, w, h, duration, steps, options) {
      new Rico.Effect.SizeAndPosition(element, null, null, w, h, duration, steps, options);
  }
}

Rico.Effect.Position = Class.create();
Rico.Effect.Position.prototype = {

   initialize: function(element, x, y, duration, steps, options) {
      new Rico.Effect.SizeAndPosition(element, x, y, null, null, duration, steps, options);
  }
}

Rico.Effect.Round = Class.create();
Rico.Effect.Round.prototype = {

   initialize: function(tagName, className, options) {
      var elements = document.getElementsByTagAndClassName(tagName,className);
      for ( var i = 0 ; i < elements.length ; i++ )
         Rico.Corner.round( elements[i], options );
   }
};

Rico.Effect.FadeTo = Class.create();
Rico.Effect.FadeTo.prototype = {

   initialize: function( element, opacity, duration, steps, options) {
      this.element  = $(element);
      this.opacity  = opacity;
      this.duration = duration;
      this.steps    = steps;
      this.options  = arguments[4] || {};
      this.fadeTo();
   },

   fadeTo: function() {
      if (this.isFinished()) {
         if(this.options.complete) this.options.complete(this);
         return;
      }

      if (this.timer)
         clearTimeout(this.timer);

      var stepDuration = Math.round(this.duration/this.steps) ;
      var currentOpacity = this.getElementOpacity();
      var delta = this.steps > 0 ? (this.opacity - currentOpacity)/this.steps : 0;

      this.changeOpacityBy(delta);
      this.duration -= stepDuration;
      this.steps--;

      this.timer = setTimeout(this.fadeTo.bind(this), stepDuration);
   },

   changeOpacityBy: function(v) {
      var currentOpacity = this.getElementOpacity();
      var newOpacity = Math.max(0, Math.min(currentOpacity+v, 1));
      this.element.ricoOpacity = newOpacity;

      this.element.style.filter = "alpha(opacity:"+Math.round(newOpacity*100)+")";
      this.element.style.opacity = newOpacity; /*//*/;
   },

   isFinished: function() {
      return this.steps <= 0;
   },

   getElementOpacity: function() {
      if ( this.element.ricoOpacity == undefined ) {
         var opacity = RicoUtil.getElementsComputedStyle(this.element, 'opacity');
         this.element.ricoOpacity = opacity != undefined ? opacity : 1.0;
      }
      return parseFloat(this.element.ricoOpacity);
   }
}

Rico.Effect.AccordionSize = Class.create();

Rico.Effect.AccordionSize.prototype = {

   initialize: function(e1, e2, start, end, duration, steps, options) {
      this.e1       = $(e1);
      this.e2       = $(e2);
      this.start    = start;
      this.end      = end;
      this.duration = duration;
      this.steps    = steps;
      this.options  = arguments[6] || {};

      this.accordionSize();
   },

   accordionSize: function() {

      if (this.isFinished()) {
         // just in case there are round errors or such...
         this.e1.style.height = this.start + "px";
         this.e2.style.height = this.end + "px";

         if(this.options.complete)
            this.options.complete(this);
         return;
      }

      if (this.timer)
         clearTimeout(this.timer);

      var stepDuration = Math.round(this.duration/this.steps) ;

      var diff = this.steps > 0 ? (parseInt(this.e1.offsetHeight) - this.start)/this.steps : 0;
      this.resizeBy(diff);

      this.duration -= stepDuration;
      this.steps--;

      this.timer = setTimeout(this.accordionSize.bind(this), stepDuration);
   },

   isFinished: function() {
      return this.steps <= 0;
   },

   resizeBy: function(diff) {
      var h1Height = this.e1.offsetHeight;
      var h2Height = this.e2.offsetHeight;
      var intDiff = parseInt(diff);
      if ( diff != 0 ) {
         this.e1.style.height = (h1Height - intDiff) + "px";
         this.e2.style.height = (h2Height + intDiff) + "px";
      }
   }

};


//-------------------- ricoLiveGrid.js
// Rico.LiveGridMetaData -----------------------------------------------------

Rico.LiveGridMetaData = Class.create();

Rico.LiveGridMetaData.prototype = {

   initialize: function( pageSize, totalRows, columnCount, options ) {
      this.pageSize  = pageSize;
      this.totalRows = totalRows;
      this.setOptions(options);
      this.ArrowHeight = 16;
      this.columnCount = columnCount;
   },

   setOptions: function(options) {
      this.options = {
         largeBufferSize    : 7.0,   // 7 pages
         nearLimitFactor    : 0.2    // 20% of buffer
      };
      Object.extend(this.options, options || {});
   },

   getPageSize: function() {
      return this.pageSize;
   },

   getTotalRows: function() {
      return this.totalRows;
   },

   setTotalRows: function(n) {
      this.totalRows = n;
   },

   getLargeBufferSize: function() {
      return parseInt(this.options.largeBufferSize * this.pageSize);
   },

   getLimitTolerance: function() {
      return parseInt(this.getLargeBufferSize() * this.options.nearLimitFactor);
   }
};

// Rico.LiveGridScroller -----------------------------------------------------

Rico.LiveGridScroller = Class.create();

Rico.LiveGridScroller.prototype = {

   initialize: function(liveGrid, viewPort) {
      this.isIE = navigator.userAgent.toLowerCase().indexOf("msie") >= 0;
      this.liveGrid = liveGrid;
      this.metaData = liveGrid.metaData;
      this.createScrollBar();
      this.scrollTimeout = null;
      this.lastScrollPos = 0;
      this.viewPort = viewPort;
      this.rows = new Array();
   },

   isUnPlugged: function() {
      return this.scrollerDiv.onscroll == null;
   },

   plugin: function() {
      this.scrollerDiv.onscroll = this.handleScroll.bindAsEventListener(this);
   },

   unplug: function() {
      this.scrollerDiv.onscroll = null;
   },

   sizeIEHeaderHack: function() {
      if ( !this.isIE ) return;
      var headerTable = $(this.liveGrid.tableId + "_header");
      if ( headerTable )
         headerTable.rows[0].cells[0].style.width =
            (headerTable.rows[0].cells[0].offsetWidth + 1) + "px";
   },

   createScrollBar: function() {
      var visibleHeight = this.liveGrid.viewPort.visibleHeight();
      // create the outer div...
      this.scrollerDiv  = document.createElement("div");
      var scrollerStyle = this.scrollerDiv.style;
      scrollerStyle.borderRight = this.liveGrid.options.scrollerBorderRight;
      scrollerStyle.position    = "relative";
      scrollerStyle.left        = this.isIE ? "-6px" : "-3px";
      scrollerStyle.width       = "19px";
      scrollerStyle.height      = visibleHeight + "px";
      scrollerStyle.overflow    = "auto";

      // create the inner div...
      this.heightDiv = document.createElement("div");
      this.heightDiv.style.width  = "1px";

      this.heightDiv.style.height = parseInt(visibleHeight *
                        this.metaData.getTotalRows()/this.metaData.getPageSize()) + "px" ;
      this.scrollerDiv.appendChild(this.heightDiv);
      this.scrollerDiv.onscroll = this.handleScroll.bindAsEventListener(this);

     var table = this.liveGrid.table;
     table.parentNode.parentNode.insertBefore( this.scrollerDiv, table.parentNode.nextSibling );
  	  var eventName = this.isIE ? "mousewheel" : "DOMMouseScroll";
	  Event.observe(table, eventName, 
	                function(evt) {
	                   if (evt.wheelDelta>=0 || evt.detail < 0) //wheel-up
	                      this.scrollerDiv.scrollTop -= (2*this.viewPort.rowHeight);
	                   else
	                      this.scrollerDiv.scrollTop += (2*this.viewPort.rowHeight);
	                   this.handleScroll(false);
	                }.bindAsEventListener(this), 
	                false);
     },

   updateSize: function() {
      var table = this.liveGrid.table;
      var visibleHeight = this.viewPort.visibleHeight();
      this.heightDiv.style.height = parseInt(visibleHeight *
                                  this.metaData.getTotalRows()/this.metaData.getPageSize()) + "px";
   },

   rowToPixel: function(rowOffset) {
      return (rowOffset / this.metaData.getTotalRows()) * this.heightDiv.offsetHeight
   },
   
   moveScroll: function(rowOffset) {
      this.scrollerDiv.scrollTop = this.rowToPixel(rowOffset);
      if ( this.metaData.options.onscroll )
         this.metaData.options.onscroll( this.liveGrid, rowOffset );
   },

   handleScroll: function() {
     if ( this.scrollTimeout )
         clearTimeout( this.scrollTimeout );

    var scrollDiff = this.lastScrollPos-this.scrollerDiv.scrollTop;
    if (scrollDiff != 0.00) {
       var r = this.scrollerDiv.scrollTop % this.viewPort.rowHeight;
       if (r != 0) {
          this.unplug();
          if ( scrollDiff < 0 ) {
             this.scrollerDiv.scrollTop += (this.viewPort.rowHeight-r);
          } else {
             this.scrollerDiv.scrollTop -= r;
          }
          this.plugin();
       }
    }
    var contentOffset = parseInt(this.scrollerDiv.scrollTop / this.viewPort.rowHeight);
    this.liveGrid.requestContentRefresh(contentOffset);
    this.viewPort.scrollTo(this.scrollerDiv.scrollTop);

    if ( this.metaData.options.onscroll )
       this.metaData.options.onscroll( this.liveGrid, contentOffset );

    this.scrollTimeout = setTimeout(this.scrollIdle.bind(this), 1200 );
    this.lastScrollPos = this.scrollerDiv.scrollTop;

   },

   scrollIdle: function() {
      if ( this.metaData.options.onscrollidle )
         this.metaData.options.onscrollidle();
   }
};

// Rico.LiveGridBuffer -----------------------------------------------------

Rico.LiveGridBuffer = Class.create();

Rico.LiveGridBuffer.prototype = {

   initialize: function(metaData, viewPort) {
      this.startPos = 0;
      this.size     = 0;
      this.metaData = metaData;
      this.rows     = new Array();
      this.updateInProgress = false;
      this.viewPort = viewPort;
      this.maxBufferSize = metaData.getLargeBufferSize() * 2;
      this.maxFetchSize = metaData.getLargeBufferSize();
      this.lastOffset = 0;
   },

   getBlankRow: function() {
      if (!this.blankRow ) {
         this.blankRow = new Array();
         for ( var i=0; i < this.metaData.columnCount ; i++ ) 
            this.blankRow[i] = "&nbsp;";
     }
     return this.blankRow;
   },

   loadRows: function(ajaxResponse) {
      var rowsElement = ajaxResponse.getElementsByTagName('rows')[0];
      this.updateUI = rowsElement.getAttribute("update_ui") == "true"
      var newRows = new Array()
      var trs = rowsElement.getElementsByTagName("tr");
      for ( var i=0 ; i < trs.length; i++ ) {
         var row = newRows[i] = new Array(); 
         var cells = trs[i].getElementsByTagName("td");
         for ( var j=0; j < cells.length ; j++ ) {
            var cell = cells[j];
            var convertSpaces = cell.getAttribute("convert_spaces") == "true";
            var cellContent = RicoUtil.getContentAsString(cell);
            row[j] = convertSpaces ? this.convertSpaces(cellContent) : cellContent;
            if (!row[j]) 
               row[j] = '&nbsp;';
         }
      }
      return newRows;
   },
      
   update: function(ajaxResponse, start) {
     var newRows = this.loadRows(ajaxResponse);
      if (this.rows.length == 0) { // initial load
         this.rows = newRows;
         this.size = this.rows.length;
         this.startPos = start;
         return;
      }
      if (start > this.startPos) { //appending
         if (this.startPos + this.rows.length < start) {
            this.rows =  newRows;
            this.startPos = start;//
         } else {
              this.rows = this.rows.concat( newRows.slice(0, newRows.length));
            if (this.rows.length > this.maxBufferSize) {
               var fullSize = this.rows.length;
               this.rows = this.rows.slice(this.rows.length - this.maxBufferSize, this.rows.length)
               this.startPos = this.startPos +  (fullSize - this.rows.length);
            }
         }
      } else { //prepending
         if (start + newRows.length < this.startPos) {
            this.rows =  newRows;
         } else {
            this.rows = newRows.slice(0, this.startPos).concat(this.rows);
            if (this.rows.length > this.maxBufferSize) 
               this.rows = this.rows.slice(0, this.maxBufferSize)
         }
         this.startPos =  start;
      }
      this.size = this.rows.length;
   },
   
   clear: function() {
      this.rows = new Array();
      this.startPos = 0;
      this.size = 0;
   },

   isOverlapping: function(start, size) {
      return ((start < this.endPos()) && (this.startPos < start + size)) || (this.endPos() == 0)
   },

   isInRange: function(position) {
      return (position >= this.startPos) && (position + this.metaData.getPageSize() <= this.endPos()); 
             //&& this.size()  != 0;
   },

   isNearingTopLimit: function(position) {
      return position - this.startPos < this.metaData.getLimitTolerance();
   },

   endPos: function() {
      return this.startPos + this.rows.length;
   },
   
   isNearingBottomLimit: function(position) {
      return this.endPos() - (position + this.metaData.getPageSize()) < this.metaData.getLimitTolerance();
   },

   isAtTop: function() {
      return this.startPos == 0;
   },

   isAtBottom: function() {
      return this.endPos() == this.metaData.getTotalRows();
   },

   isNearingLimit: function(position) {
      return ( !this.isAtTop()    && this.isNearingTopLimit(position)) ||
             ( !this.isAtBottom() && this.isNearingBottomLimit(position) )
   },

   getFetchSize: function(offset) {
      var adjustedOffset = this.getFetchOffset(offset);
      var adjustedSize = 0;
      if (adjustedOffset >= this.startPos) { //apending
         var endFetchOffset = this.maxFetchSize  + adjustedOffset;
         if (endFetchOffset > this.metaData.totalRows)
            endFetchOffset = this.metaData.totalRows;
         adjustedSize = endFetchOffset - adjustedOffset;  
			if(adjustedOffset == 0 && adjustedSize < this.maxFetchSize){
			   adjustedSize = this.maxFetchSize;
			}
      } else {//prepending
         var adjustedSize = this.startPos - adjustedOffset;
         if (adjustedSize > this.maxFetchSize)
            adjustedSize = this.maxFetchSize;
      }
      return adjustedSize;
   }, 

   getFetchOffset: function(offset) {
      var adjustedOffset = offset;
      if (offset > this.startPos)  //apending
         adjustedOffset = (offset > this.endPos()) ? offset :  this.endPos(); 
      else { //prepending
         if (offset + this.maxFetchSize >= this.startPos) {
            var adjustedOffset = this.startPos - this.maxFetchSize;
            if (adjustedOffset < 0)
               adjustedOffset = 0;
         }
      }
      this.lastOffset = adjustedOffset;
      return adjustedOffset;
   },

   getRows: function(start, count) {
      var begPos = start - this.startPos
      var endPos = begPos + count

      // er? need more data...
      if ( endPos > this.size )
         endPos = this.size

      var results = new Array()
      var index = 0;
      for ( var i=begPos ; i < endPos; i++ ) {
         results[index++] = this.rows[i]
      }
      return results
   },

   convertSpaces: function(s) {
      return s.split(" ").join("&nbsp;");
   }

};


//Rico.GridViewPort --------------------------------------------------
Rico.GridViewPort = Class.create();

Rico.GridViewPort.prototype = {

   initialize: function(table, rowHeight, visibleRows, buffer, liveGrid) {
      this.lastDisplayedStartPos = 0;
      this.div = table.parentNode;
      this.table = table
      this.rowHeight = rowHeight;
      this.div.style.height = (this.rowHeight * visibleRows) + "px";
      this.div.style.overflow = "hidden";
      this.buffer = buffer;
      this.liveGrid = liveGrid;
      this.visibleRows = visibleRows + 1;
      this.lastPixelOffset = 0;
      this.startPos = 0;
   },

   populateRow: function(htmlRow, row) {
      for (var j=0; j < row.length; j++) {
         htmlRow.cells[j].innerHTML = row[j]
      }
   },
   
   bufferChanged: function() {
      this.refreshContents( parseInt(this.lastPixelOffset / this.rowHeight));
   },
   
   clearRows: function() {
      if (!this.isBlank) {
         this.liveGrid.table.className = this.liveGrid.options.loadingClass;
         for (var i=0; i < this.visibleRows; i++)
            this.populateRow(this.table.rows[i], this.buffer.getBlankRow());
         this.isBlank = true;
      }
   },
   
   clearContents: function() {   
      this.clearRows();
      this.scrollTo(0);
      this.startPos = 0;
      this.lastStartPos = -1;   
   },
   
   refreshContents: function(startPos) {
      if (startPos == this.lastRowPos && !this.isPartialBlank && !this.isBlank) {
         return;
      }
      if ((startPos + this.visibleRows < this.buffer.startPos)  
          || (this.buffer.startPos + this.buffer.size < startPos) 
          || (this.buffer.size == 0)) {
         this.clearRows();
         return;
      }
      this.isBlank = false;
      var viewPrecedesBuffer = this.buffer.startPos > startPos
      var contentStartPos = viewPrecedesBuffer ? this.buffer.startPos: startPos; 
      var contentEndPos = (this.buffer.startPos + this.buffer.size < startPos + this.visibleRows) 
                                 ? this.buffer.startPos + this.buffer.size
                                 : startPos + this.visibleRows;
      var rowSize = contentEndPos - contentStartPos;
      var rows = this.buffer.getRows(contentStartPos, rowSize ); 
      var blankSize = this.visibleRows - rowSize;
      var blankOffset = viewPrecedesBuffer ? 0: rowSize;
      var contentOffset = viewPrecedesBuffer ? blankSize: 0;

      for (var i=0; i < rows.length; i++) {//initialize what we have
        this.populateRow(this.table.rows[i + contentOffset], rows[i]);
      }
      for (var i=0; i < blankSize; i++) {// blank out the rest 
        this.populateRow(this.table.rows[i + blankOffset], this.buffer.getBlankRow());
      }
      this.isPartialBlank = blankSize > 0;
      this.lastRowPos = startPos;

       this.liveGrid.table.className = this.liveGrid.options.tableClass;
       // Check if user has set a onRefreshComplete function
       var onRefreshComplete = this.liveGrid.options.onRefreshComplete;
       if (onRefreshComplete != null)
           onRefreshComplete();
   },

   scrollTo: function(pixelOffset) {      
      if (this.lastPixelOffset == pixelOffset)
         return;

      this.refreshContents(parseInt(pixelOffset / this.rowHeight))
      this.div.scrollTop = pixelOffset % this.rowHeight        
      
      this.lastPixelOffset = pixelOffset;
   },
   
   visibleHeight: function() {
      return parseInt(RicoUtil.getElementsComputedStyle(this.div, 'height'));
   }

};


Rico.LiveGridRequest = Class.create();
Rico.LiveGridRequest.prototype = {
   initialize: function( requestOffset, options ) {
      this.requestOffset = requestOffset;
   }
};

// Rico.LiveGrid -----------------------------------------------------

Rico.LiveGrid = Class.create();

Rico.LiveGrid.prototype = {

   initialize: function( tableId, visibleRows, totalRows, url, options, ajaxOptions ) {

     this.options = {
                tableClass:           $(tableId).className,
                loadingClass:         $(tableId).className,
                scrollerBorderRight: '1px solid #ababab',
                bufferTimeout:        20000,
                sortAscendImg:        'images/sort_asc.gif',
                sortDescendImg:       'images/sort_desc.gif',
                sortImageWidth:       9,
                sortImageHeight:      5,
                ajaxSortURLParms:     [],
                onRefreshComplete:    null,
                requestParameters:    null,
                inlineStyles:         true
                };
      Object.extend(this.options, options || {});

      this.ajaxOptions = {parameters: null};
      Object.extend(this.ajaxOptions, ajaxOptions || {});

      this.tableId     = tableId; 
      this.table       = $(tableId);

      this.addLiveGridHtml();

      var columnCount  = this.table.rows[0].cells.length;
      this.metaData    = new Rico.LiveGridMetaData(visibleRows, totalRows, columnCount, options);
      this.buffer      = new Rico.LiveGridBuffer(this.metaData);

      var rowCount = this.table.rows.length;
      this.viewPort =  new Rico.GridViewPort(this.table, 
                                            this.table.offsetHeight/rowCount,
                                            visibleRows,
                                            this.buffer, this);
      this.scroller    = new Rico.LiveGridScroller(this,this.viewPort);
      this.options.sortHandler = this.sortHandler.bind(this);

      if ( $(tableId + '_header') )
         this.sort = new Rico.LiveGridSort(tableId + '_header', this.options)

      this.processingRequest = null;
      this.unprocessedRequest = null;

      this.initAjax(url);
      if ( this.options.prefetchBuffer || this.options.prefetchOffset > 0) {
         var offset = 0;
         if (this.options.offset ) {
            offset = this.options.offset;            
            this.scroller.moveScroll(offset);
            this.viewPort.scrollTo(this.scroller.rowToPixel(offset));            
         }
         if (this.options.sortCol) {
             this.sortCol = options.sortCol;
             this.sortDir = options.sortDir;
         }
         this.requestContentRefresh(offset);
      }
   },

   addLiveGridHtml: function() {
     // Check to see if need to create a header table.
     if (this.table.getElementsByTagName("thead").length > 0){
       // Create Table this.tableId+'_header'
       var tableHeader = this.table.cloneNode(true);
       tableHeader.setAttribute('id', this.tableId+'_header');
       tableHeader.setAttribute('class', this.table.className+'_header');

       // Clean up and insert
       for( var i = 0; i < tableHeader.tBodies.length; i++ ) 
       tableHeader.removeChild(tableHeader.tBodies[i]);
       this.table.deleteTHead();
       this.table.parentNode.insertBefore(tableHeader,this.table);
     }

    new Insertion.Before(this.table, "<div id='"+this.tableId+"_container'></div>");
    this.table.previousSibling.appendChild(this.table);
    new Insertion.Before(this.table,"<div id='"+this.tableId+"_viewport' style='float:left;'></div>");
    this.table.previousSibling.appendChild(this.table);
   },


   resetContents: function() {
      this.scroller.moveScroll(0);
      this.buffer.clear();
      this.viewPort.clearContents();
   },
   
   sortHandler: function(column) {
	   if(!column) return ;
      this.sortCol = column.name;
      this.sortDir = column.currentSort;

      this.resetContents();
      this.requestContentRefresh(0) 
   },

   adjustRowSize: function() {
	  
	},
	
   setTotalRows: function( newTotalRows ) {
      this.resetContents();
      this.metaData.setTotalRows(newTotalRows);
      this.scroller.updateSize();
   },

   initAjax: function(url) {
      ajaxEngine.registerRequest( this.tableId + '_request', url );
      ajaxEngine.registerAjaxObject( this.tableId + '_updater', this );
   },

   invokeAjax: function() {
   },

   handleTimedOut: function() {
      //server did not respond in 4 seconds... assume that there could have been
      //an error or something, and allow requests to be processed again...
      this.processingRequest = null;
      this.processQueuedRequest();
   },

   fetchBuffer: function(offset) {
      if ( this.buffer.isInRange(offset) &&
         !this.buffer.isNearingLimit(offset)) {
         return;
         }
      if (this.processingRequest) {
          this.unprocessedRequest = new Rico.LiveGridRequest(offset);
         return;
      }
      var bufferStartPos = this.buffer.getFetchOffset(offset);
      this.processingRequest = new Rico.LiveGridRequest(offset);
      this.processingRequest.bufferOffset = bufferStartPos;   
      var fetchSize = this.buffer.getFetchSize(offset);
      var partialLoaded = false;
      
      var queryString
      if (this.options.requestParameters)
         queryString = this._createQueryString(this.options.requestParameters, 0);

        queryString = (queryString == null) ? '' : queryString+'&';
        queryString  = queryString+'id='+this.tableId+'&page_size='+fetchSize+'&offset='+bufferStartPos;
        if (this.sortCol)
            queryString = queryString+'&sort_col='+escape(this.sortCol)+'&sort_dir='+this.sortDir;

        this.ajaxOptions.parameters = queryString;

       ajaxEngine.sendRequest( this.tableId + '_request', this.ajaxOptions );

       this.timeoutHandler = setTimeout( this.handleTimedOut.bind(this), this.options.bufferTimeout);

   },

   setRequestParams: function() {
      this.options.requestParameters = [];
      for ( var i=0 ; i < arguments.length ; i++ )
         this.options.requestParameters[i] = arguments[i];
   },

   requestContentRefresh: function(contentOffset) {
      this.fetchBuffer(contentOffset);
   },

   ajaxUpdate: function(ajaxResponse) {
      try {
         clearTimeout( this.timeoutHandler );
         this.buffer.update(ajaxResponse,this.processingRequest.bufferOffset);
         this.viewPort.bufferChanged();
      }
      catch(err) {}
      finally {this.processingRequest = null; }
      this.processQueuedRequest();
   },

   _createQueryString: function( theArgs, offset ) {
      var queryString = ""
      if (!theArgs)
          return queryString;

      for ( var i = offset ; i < theArgs.length ; i++ ) {
          if ( i != offset )
            queryString += "&";

          var anArg = theArgs[i];

          if ( anArg.name != undefined && anArg.value != undefined ) {
            queryString += anArg.name +  "=" + escape(anArg.value);
          }
          else {
             var ePos  = anArg.indexOf('=');
             var argName  = anArg.substring( 0, ePos );
             var argValue = anArg.substring( ePos + 1 );
             queryString += argName + "=" + escape(argValue);
          }
      }
      return queryString;
   },

   processQueuedRequest: function() {
      if (this.unprocessedRequest != null) {
         this.requestContentRefresh(this.unprocessedRequest.requestOffset);
         this.unprocessedRequest = null
      }
   }
};


//-------------------- ricoLiveGridSort.js
Rico.LiveGridSort = Class.create();

Rico.LiveGridSort.prototype = {

   initialize: function(headerTableId, options) {
      this.headerTableId = headerTableId;
      this.headerTable   = $(headerTableId);
      this.options = options;
      this.setOptions();
      this.applySortBehavior();

      if ( this.options.sortCol ) {
         this.setSortUI( this.options.sortCol, this.options.sortDir );
      }
   },

   setSortUI: function( columnName, sortDirection ) {
      var cols = this.options.columns;
      for ( var i = 0 ; i < cols.length ; i++ ) {
         if ( cols[i].name == columnName ) {
            this.setColumnSort(i, sortDirection);
            break;
         }
      }
   },

   setOptions: function() {
      // preload the images...
      new Image().src = this.options.sortAscendImg;
      new Image().src = this.options.sortDescendImg;

      this.sort = this.options.sortHandler;
      if ( !this.options.columns )
         this.options.columns = this.introspectForColumnInfo();
      else {
         // allow client to pass { columns: [ ["a", true], ["b", false] ] }
         // and convert to an array of Rico.TableColumn objs...
         this.options.columns = this.convertToTableColumns(this.options.columns);
      }
   },

   applySortBehavior: function() {
      var headerRow   = this.headerTable.rows[0];
      var headerCells = headerRow.cells;
      for ( var i = 0 ; i < headerCells.length ; i++ ) {
         this.addSortBehaviorToColumn( i, headerCells[i] );
      }
   },

   addSortBehaviorToColumn: function( n, cell ) {
      if ( this.options.columns[n].isSortable() ) {
         cell.id            = this.headerTableId + '_' + n;
         cell.style.cursor  = 'pointer';
         cell.onclick       = this.headerCellClicked.bindAsEventListener(this);
         cell.innerHTML     = cell.innerHTML + '<span id="' + this.headerTableId + '_img_' + n + '">'
                           + '&nbsp;&nbsp;&nbsp;</span>';
      }
   },

   // event handler....
   headerCellClicked: function(evt) {
      var eventTarget = evt.target ? evt.target : evt.srcElement;
      var cellId = eventTarget.id;
      var columnNumber = parseInt(cellId.substring( cellId.lastIndexOf('_') + 1 ));
      var sortedColumnIndex = this.getSortedColumnIndex();
      if ( sortedColumnIndex != -1 ) {
         if ( sortedColumnIndex != columnNumber ) {
            this.removeColumnSort(sortedColumnIndex);
            this.setColumnSort(columnNumber, Rico.TableColumn.SORT_ASC);
         }
         else
            this.toggleColumnSort(sortedColumnIndex);
      }
      else
         this.setColumnSort(columnNumber, Rico.TableColumn.SORT_ASC);

      if (this.options.sortHandler) {
         this.options.sortHandler(this.options.columns[columnNumber]);
      }
   },

   removeColumnSort: function(n) {
      this.options.columns[n].setUnsorted();
      this.setSortImage(n);
   },

   setColumnSort: function(n, direction) {
   	if(isNaN(n)) return ;
      this.options.columns[n].setSorted(direction);
      this.setSortImage(n);
   },

   toggleColumnSort: function(n) {
      this.options.columns[n].toggleSort();
      this.setSortImage(n);
   },

   setSortImage: function(n) {
      var sortDirection = this.options.columns[n].getSortDirection();

      var sortImageSpan = $( this.headerTableId + '_img_' + n );
      if ( sortDirection == Rico.TableColumn.UNSORTED )
         sortImageSpan.innerHTML = '&nbsp;&nbsp;';
      else if ( sortDirection == Rico.TableColumn.SORT_ASC )
         sortImageSpan.innerHTML = '&nbsp;&nbsp;<img width="'  + this.options.sortImageWidth    + '" ' +
                                                     'height="'+ this.options.sortImageHeight   + '" ' +
                                                     'src="'   + this.options.sortAscendImg + '"/>';
      else if ( sortDirection == Rico.TableColumn.SORT_DESC )
         sortImageSpan.innerHTML = '&nbsp;&nbsp;<img width="'  + this.options.sortImageWidth    + '" ' +
                                                     'height="'+ this.options.sortImageHeight   + '" ' +
                                                     'src="'   + this.options.sortDescendImg + '"/>';
   },

   getSortedColumnIndex: function() {
      var cols = this.options.columns;
      for ( var i = 0 ; i < cols.length ; i++ ) {
         if ( cols[i].isSorted() )
            return i;
      }

      return -1;
   },

   introspectForColumnInfo: function() {
      var columns = new Array();
      var headerRow   = this.headerTable.rows[0];
      var headerCells = headerRow.cells;
      for ( var i = 0 ; i < headerCells.length ; i++ )
         columns.push( new Rico.TableColumn( this.deriveColumnNameFromCell(headerCells[i],i), true ) );
      return columns;
   },

   convertToTableColumns: function(cols) {
      var columns = new Array();
      for ( var i = 0 ; i < cols.length ; i++ )
         columns.push( new Rico.TableColumn( cols[i][0], cols[i][1] ) );
      return columns;
   },

   deriveColumnNameFromCell: function(cell,columnNumber) {
      var cellContent = cell.innerText != undefined ? cell.innerText : cell.textContent;
      return cellContent ? cellContent.toLowerCase().split(' ').join('_') : "col_" + columnNumber;
   }
};

Rico.TableColumn = Class.create();

Rico.TableColumn.UNSORTED  = 0;
Rico.TableColumn.SORT_ASC  = "ASC";
Rico.TableColumn.SORT_DESC = "DESC";

Rico.TableColumn.prototype = {
   initialize: function(name, sortable) {
      this.name        = name;
      this.sortable    = sortable;
      this.currentSort = Rico.TableColumn.UNSORTED;
   },

   isSortable: function() {
      return this.sortable;
   },

   isSorted: function() {
      return this.currentSort != Rico.TableColumn.UNSORTED;
   },

   getSortDirection: function() {
      return this.currentSort;
   },

   toggleSort: function() {
      if ( this.currentSort == Rico.TableColumn.UNSORTED || this.currentSort == Rico.TableColumn.SORT_DESC )
         this.currentSort = Rico.TableColumn.SORT_ASC;
      else if ( this.currentSort == Rico.TableColumn.SORT_ASC )
         this.currentSort = Rico.TableColumn.SORT_DESC;
   },

   setUnsorted: function(direction) {
      this.setSorted(Rico.TableColumn.UNSORTED);
   },

   setSorted: function(direction) {
      // direction must by one of Rico.TableColumn.UNSORTED, .SORT_ASC, or .SORT_DESC...
      this.currentSort = direction;
   }

};


//-------------------- ricoUtil.js
var RicoUtil = {

   getElementsComputedStyle: function ( htmlElement, cssProperty, mozillaEquivalentCSS) {
      if ( arguments.length == 2 )
         mozillaEquivalentCSS = cssProperty;

      var el = $(htmlElement);
      if ( el.currentStyle )
         return el.currentStyle[cssProperty];
      else
         return document.defaultView.getComputedStyle(el, null).getPropertyValue(mozillaEquivalentCSS);
   },

   createXmlDocument : function() {
      if (document.implementation && document.implementation.createDocument) {
         var doc = document.implementation.createDocument("", "", null);

         if (doc.readyState == null) {
            doc.readyState = 1;
            doc.addEventListener("load", function () {
               doc.readyState = 4;
               if (typeof doc.onreadystatechange == "function")
                  doc.onreadystatechange();
            }, false);
         }

         return doc;
      }

      if (window.ActiveXObject)
          return Try.these(
            function() { return new ActiveXObject('MSXML2.DomDocument')   },
            function() { return new ActiveXObject('Microsoft.DomDocument')},
            function() { return new ActiveXObject('MSXML.DomDocument')    },
            function() { return new ActiveXObject('MSXML3.DomDocument')   }
          ) || false;

      return null;
   },

   getContentAsString: function( parentNode ) {
      return parentNode.xml != undefined ? 
         this._getContentAsStringIE(parentNode) :
         this._getContentAsStringMozilla(parentNode);
   },

  _getContentAsStringIE: function(parentNode) {
     var contentStr = "";
     for ( var i = 0 ; i < parentNode.childNodes.length ; i++ ) {
         var n = parentNode.childNodes[i];
         if (n.nodeType == 4) {
             contentStr += n.nodeValue;
         }
         else {
           contentStr += n.xml;
       }
     }
     return contentStr;
  },

  _getContentAsStringMozilla: function(parentNode) {
     var xmlSerializer = new XMLSerializer();
     var contentStr = "";
     for ( var i = 0 ; i < parentNode.childNodes.length ; i++ ) {
          var n = parentNode.childNodes[i];
          if (n.nodeType == 4) { // CDATA node
              contentStr += n.nodeValue;
          }
          else {
            contentStr += xmlSerializer.serializeToString(n);
        }
     }
     return contentStr;
  },

   toViewportPosition: function(element) {
      return this._toAbsolute(element,true);
   },

   toDocumentPosition: function(element) {
      return this._toAbsolute(element,false);
   },

   /**
    *  Compute the elements position in terms of the window viewport
    *  so that it can be compared to the position of the mouse (dnd)
    *  This is additions of all the offsetTop,offsetLeft values up the
    *  offsetParent hierarchy, ...taking into account any scrollTop,
    *  scrollLeft values along the way...
    *
    * IE has a bug reporting a correct offsetLeft of elements within a
    * a relatively positioned parent!!!
    **/
   _toAbsolute: function(element,accountForDocScroll) {

      if ( navigator.userAgent.toLowerCase().indexOf("msie") == -1 )
         return this._toAbsoluteMozilla(element,accountForDocScroll);

      var x = 0;
      var y = 0;
      var parent = element;
      while ( parent ) {

         var borderXOffset = 0;
         var borderYOffset = 0;
         if ( parent != element ) {
            var borderXOffset = parseInt(this.getElementsComputedStyle(parent, "borderLeftWidth" ));
            var borderYOffset = parseInt(this.getElementsComputedStyle(parent, "borderTopWidth" ));
            borderXOffset = isNaN(borderXOffset) ? 0 : borderXOffset;
            borderYOffset = isNaN(borderYOffset) ? 0 : borderYOffset;
         }

         x += parent.offsetLeft - parent.scrollLeft + borderXOffset;
         y += parent.offsetTop - parent.scrollTop + borderYOffset;
         parent = parent.offsetParent;
      }

      if ( accountForDocScroll ) {
         x -= this.docScrollLeft();
         y -= this.docScrollTop();
      }

      return { x:x, y:y };
   },

   /**
    *  Mozilla did not report all of the parents up the hierarchy via the
    *  offsetParent property that IE did.  So for the calculation of the
    *  offsets we use the offsetParent property, but for the calculation of
    *  the scrollTop/scrollLeft adjustments we navigate up via the parentNode
    *  property instead so as to get the scroll offsets...
    *
    **/
   _toAbsoluteMozilla: function(element,accountForDocScroll) {
      var x = 0;
      var y = 0;
      var parent = element;
      while ( parent ) {
         x += parent.offsetLeft;
         y += parent.offsetTop;
         parent = parent.offsetParent;
      }

      parent = element;
      while ( parent &&
              parent != document.body &&
              parent != document.documentElement ) {
         if ( parent.scrollLeft  )
            x -= parent.scrollLeft;
         if ( parent.scrollTop )
            y -= parent.scrollTop;
         parent = parent.parentNode;
      }

      if ( accountForDocScroll ) {
         x -= this.docScrollLeft();
         y -= this.docScrollTop();
      }

      return { x:x, y:y };
   },

   docScrollLeft: function() {
      if ( window.pageXOffset )
         return window.pageXOffset;
      else if ( document.documentElement && document.documentElement.scrollLeft )
         return document.documentElement.scrollLeft;
      else if ( document.body )
         return document.body.scrollLeft;
      else
         return 0;
   },

   docScrollTop: function() {
      if ( window.pageYOffset )
         return window.pageYOffset;
      else if ( document.documentElement && document.documentElement.scrollTop )
         return document.documentElement.scrollTop;
      else if ( document.body )
         return document.body.scrollTop;
      else
         return 0;
   }

};
///Following snippet enables ".over" CSS support in IE5.5/IE6
startList = function() {
	if (document.all&&document.getElementById) {
			navRoot = document.getElementById("nav");
			for (i=0; i<navRoot.childNodes.length; i++) {
				node = navRoot.childNodes[i];
				if (node.nodeName=="LI") {
					node.onmouseover=function() {
						this.style.zIndex=2000;
						this.className+=" over";
					}
					node.onmouseout=function() {
						this.className=this.className.replace(" over", "");
						this.style.zIndex=2000;
					}
				}
			}
	 }
}
window.onload=startList;

function showAllDivs () {
	showdiv('moreAddict');
	showdiv('moreMeans');
	showdiv('moreHigh');
	showdiv('moreDown');
	showdiv('moreRisks');
	showdiv('moreInteractions');
	showdiv('moreLegal');
	hidediv('lessAddict');
	hidediv('lessMeans');
	hidediv('lessHigh');
	hidediv('lessDown');
	hidediv('lessRisks');
	hidediv('lessInteractions');
	hidediv('lessLegal');
}
function hideAllDivs () {
	hidediv('moreAddict');
	hidediv('moreMeans');
	hidediv('moreHigh');
	hidediv('moreDown');
	hidediv('moreRisks');
	hidediv('moreInteractions');
	hidediv('moreLegal');
	showdiv('lessAddict');
	showdiv('lessMeans');
	showdiv('lessHigh');
	showdiv('lessDown');
	showdiv('lessRisks');
	showdiv('lessInteractions');
	showdiv('lessLegal');
}

function showdiv(id) {
	//lifted from http://support.internetconnection.net/CODE_LIBRARY/Javascript_Show_Hide.shtml
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}

function hidediv(id) {
	//adapted from http://support.internetconnection.net/CODE_LIBRARY/Javascript_Show_Hide.shtml
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function wopen(url, w, h){
	// Fudge factors for window decoration space.
	 // In my tests these work well on all platforms & browsers.
	w += 20;
	h += 20;
	 var win = window.open(url,
	  'popupMedia',
	  'width=' + w + ', height=' + h + ', ' +
	  'location=no, menubar=no, ' +
	  'status=no, toolbar=no, scrollbars=yes, resizable=no');
	 //win.resizeTo(w, h);
	 win.focus();
}

function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}
// lightbox_plus.js
// == written by Takuya Otani <takuya.otani@gmail.com> ===
// == Copyright (C) 2004 SimpleBoxes/SerendipityNZ Ltd. ==
/*
	Original script : Lightbox JS : Fullsize Image Overlays
	Copyright (C) 2005 Lokesh Dhakar - http://www.huddletogether.com
	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/
*/
// ver. 20060120 - added caption and close button.
// === utilities ===
function addEvent(object, type, handler)
{
	if (object.addEventListener) {
		object.addEventListener(type, handler, false);
	} else if (object.attachEvent) {
		object.attachEvent(['on',type].join(''),handler);
	} else {
		object[['on',type].join('')] = handler;
	}
}
function WindowSize()
{ // window size object
	this.w = 0;
	this.h = 0;
	return this.update();
}
WindowSize.prototype.update = function()
{
	var d = document;
	this.w = 
	  (window.innerWidth) ? window.innerWidth
	: (d.documentElement && d.documentElement.clientWidth) ? d.documentElement.clientWidth
	: d.body.clientWidth;
	this.h = 
	  (window.innerHeight) ? window.innerHeight
	: (d.documentElement && d.documentElement.clientHeight) ? d.documentElement.clientHeight
	: d.body.clientHeight;
	return this;
};
function PageSize()
{ // page size object
	this.win = new WindowSize();
	this.w = 0;
	this.h = 0;
	return this.update();
}
PageSize.prototype.update = function()
{
	var d = document;
	this.w = 
	  (window.innerWidth && window.scrollMaxX) ? window.innerWidth + window.scrollMaxX
	: (d.body.scrollWidth > d.body.offsetWidth) ? d.body.scrollWidth
	: d.body.offsetWidt;
	this.h = 
	  (window.innerHeight && window.scrollMaxY) ? window.innerHeight + window.scrollMaxY
	: (d.body.scrollHeight > d.body.offsetHeight) ? d.body.scrollHeight
	: d.body.offsetHeight;
	this.win.update();
	if (this.w < this.win.w) this.w = this.win.w;
	if (this.h < this.win.h) this.h = this.win.h;
	return this;
};
function PagePos()
{ // page position object
	this.x = 0;
	this.y = 0;
	return this.update();
}
PagePos.prototype.update = function()
{
	var d = document;
	this.x =
	  (window.pageXOffset) ? window.pageXOffset
	: (d.documentElement && d.documentElement.scrollLeft) ? d.documentElement.scrollLeft
	: (d.body) ? d.body.scrollLeft
	: 0;
	this.y =
	  (window.pageYOffset) ? window.pageYOffset
	: (d.documentElement && d.documentElement.scrollTop) ? d.documentElement.scrollTop
	: (d.body) ? d.body.scrollTop
	: 0;
	return this;
};
function UserAgent()
{ // user agent information
	var ua = navigator.userAgent;
	this.isWinIE = this.isMacIE = false;
	this.isGecko  = ua.match(/Gecko\//);
	this.isSafari = ua.match(/AppleWebKit/);
	this.isOpera  = window.opera;
	if (document.all && !this.isGecko && !this.isSafari && !this.isOpera) {
		this.isWinIE = ua.match(/Win/);
		this.isMacIE = ua.match(/Mac/);
		this.isNewIE = (ua.match(/MSIE 5\.5/) || ua.match(/MSIE 6\.0/));
	}
	return this;
}
// === lightbox ===
function LightBox(option)
{
	var self = this;
	self._imgs = new Array();
	self._wrap = null;
	self._box  = null;
	self._open = -1;
	self._page = new PageSize();
	self._pos  = new PagePos();
	self._ua   = new UserAgent();
	self._expandable = false;
	self._expanded = false;
	self._expand = option.expandimg;
	self._shrink = option.shrinkimg;
	return self._init(option);
}
LightBox.prototype = {
	_init : function(option)
	{
		var self = this;
		var d = document;
		if (!d.getElementsByTagName) return;
		var links = d.getElementsByTagName("a");
		for (var i=0;i<links.length;i++) {
			var anchor = links[i];
			var num = self._imgs.length;
			if (!anchor.getAttribute("href")
			  || anchor.getAttribute("rel") != "lightbox") continue;
			// initialize item
			self._imgs[num] = {src:anchor.getAttribute("href"),w:-1,h:-1,title:''};
			if (anchor.getAttribute("title"))
				self._imgs[num].title = anchor.getAttribute("title");
			else if (anchor.firstChild && anchor.firstChild.getAttribute && anchor.firstChild.getAttribute("title"))
				self._imgs[num].title = anchor.firstChild.getAttribute("title");
			anchor.onclick = self._genOpener(num); // set closure to onclick event
		}
		var body = d.getElementsByTagName("body")[0];
		self._wrap = self._createWrapOn(body,option.loadingimg);
		self._box  = self._createBoxOn(body,option);
		return self;
	},
	_genOpener : function(num)
	{
		var self = this;
		return function() { self._show(num); return false; }
	},
	_createWrapOn : function(obj,imagePath)
	{
		var self = this;
		if (!obj) return null;
		// create wrapper object, translucent background
		var wrap = document.createElement('div');
		wrap.id = 'overlay';
		with (wrap.style) {
			display = 'none';
			position = 'fixed';
			top = '0px';
			left = '0px';
			zIndex = '50';
			width = '100%';
			height = '100%';
		}
		if (self._ua.isWinIE) wrap.style.position = 'absolute';
		addEvent(wrap,"click",function() { self._close(); });
		obj.appendChild(wrap);
		// create loading image, animated image
		var imag = new Image;
		imag.onload = function() {
			var spin = document.createElement('img');
			spin.id = 'loadingImage';
			spin.src = imag.src;
			spin.style.position = 'relative';
			self._set_cursor(spin);
			addEvent(spin,'click',function() { self._close(); });
			wrap.appendChild(spin);
			imag.onload = function(){};
		};
		if (imagePath != '') imag.src = imagePath;
		return wrap;
	},
	_createBoxOn : function(obj,option)
	{
		var self = this;
		if (!obj) return null;
		// create lightbox object, frame rectangle
		var box = document.createElement('div');
		box.id = 'lightbox';
		with (box.style) {
			display = 'none';
			position = 'absolute';
			zIndex = '60';
		}
		obj.appendChild(box);
		// create image object to display a target image
		var img = document.createElement('img');
		img.id = 'lightboxImage';
		self._set_cursor(img);
		addEvent(img,'click',function(){ self._close(); });
		addEvent(img,'mouseover',function(){ self._show_action(); });
		addEvent(img,'mouseout',function(){ self._hide_action(); });
		box.appendChild(img);
		var zoom = document.createElement('img');
		zoom.id = 'actionImage';
		with (zoom.style) {
			display = 'none';
			position = 'absolute';
			top = '15px';
			left = '15px';
			zIndex = '70';
		}
		self._set_cursor(zoom);
		zoom.src = self._expand;
		addEvent(zoom,'mouseover',function(){ self._show_action(); });
		addEvent(zoom,'click', function() { self._zoom(); });
		box.appendChild(zoom);
		addEvent(window,'resize',function(){ self._set_size(true); });
		// close button
		if (option.closeimg) {
			var btn = document.createElement('img');
			btn.id = 'closeButton';
			with (btn.style) {
				display = 'inline';
				position = 'absolute';
				right = '10px';
				top = '10px';
				zIndex = '80';
			}
			btn.src = option.closeimg;
			self._set_cursor(btn);
			addEvent(btn,'click',function(){ self._close(); });
			box.appendChild(btn);
		}
		// caption text
		var caption = document.createElement('span');
		caption.id = 'lightboxCaption';
		with (caption.style) {
			display = 'none';
			position = 'absolute';
			zIndex = '80';
		}
		box.appendChild(caption);
		return box;
	},
	_set_photo_size : function()
	{
		var self = this;
		if (self._open == -1) return;
		var imag = self._box.firstChild;
		var targ = { w:self._page.win.w - 30, h:self._page.win.h - 30 };
		var orig = { w:self._imgs[self._open].w, h:self._imgs[self._open].h };
		// shrink image with the same aspect
		var ratio = 1.0;
		if ((orig.w >= targ.w || orig.h >= targ.h) && orig.h && orig.w)
			ratio = ((targ.w / orig.w) < (targ.h / orig.h)) ? targ.w / orig.w : targ.h / orig.h;
		imag.width  = Math.floor(orig.w * ratio);
		imag.height = Math.floor(orig.h * ratio);
		self._expandable = (ratio < 1.0) ? true : false;
		if (self._ua.isWinIE) self._box.style.display = "block";
		self._box.style.top  = [self._pos.y + (self._page.win.h - imag.height - 30) / 2,'px'].join('');
		self._box.style.left = [((self._page.win.w - imag.width - 30) / 2),'px'].join('');
		self._show_caption(true);
	},
	_set_size : function(onResize)
	{
		var self = this;
		if (self._open == -1) return;
		self._page.update();
		self._pos.update();
		var spin = self._wrap.firstChild;
		if (spin) {
			var top = (self._page.win.h - spin.height) / 2;
			if (self._wrap.style.position == 'absolute') top += self._pos.y;
			spin.style.top  = [top,'px'].join('');
			spin.style.left = [(self._page.win.w - spin.width - 30) / 2,'px'].join('');
		}
		if (self._ua.isWinIE) {
			self._wrap.style.width  = [self._page.win.w,'px'].join('');
			self._wrap.style.height = [self._page.h,'px'].join('');
		}
		if (onResize) self._set_photo_size();
	},
	_show_action : function()
	{
		var self = this;
		if (self._open == -1 || !self._expandable) return;
		var obj = document.getElementById('actionImage');
		if (!obj) return;
		obj.src = (self._expanded) ? self._shrink : self._expand;
		obj.style.display = 'inline';
	},
	_hide_action : function()
	{
		var self = this;
		var obj = document.getElementById('actionImage');
		if (obj) obj.style.display = 'none';
	},
	_zoom : function()
	{
		var self = this;
		if (self._expanded) {
			self._set_photo_size();
			self._expanded = false;
		} else if (self._open > -1) {
			var imag = self._box.firstChild;
			self._box.style.top  = [self._pos.y,'px'].join('');
			self._box.style.left = '0px';
			imag.width  = self._imgs[self._open].w;
			imag.height = self._imgs[self._open].h;
			self._show_caption(false);
			self._expanded = true;
		}
		self._show_action();
	},
	_show_caption : function(enable)
	{
		var self = this;
		var caption = document.getElementById('lightboxCaption');
		if (!caption) return;
		if (caption.innerHTML.length == 0 || !enable) {
			caption.style.display = 'none';
		} else { // now display caption
			var imag = self._box.firstChild;
			with (caption.style) {
				top = [imag.height + 10,'px'].join(''); // 10 is top margin of lightbox
				left = '0px';
				width = [imag.width + 20,'px'].join(''); // 20 is total side margin of lightbox
				height = '1.2em';
				display = 'block';
			}
		}
	},
	_show : function(num)
	{
		var self = this;
		var imag = new Image;
		if (num < 0 || num >= self._imgs.length) return;
		var loading = document.getElementById('loadingImage');
		var caption = document.getElementById('lightboxCaption');
		//document.getElementByID("lightboxHide").style.display = "none";
		self._open = num; // set opened image number
		self._set_size(false); // calc and set wrapper size
		self._wrap.style.display = "block";
		if (loading) loading.style.display = 'inline';
		imag.onload = function() {
			if (self._imgs[self._open].w == -1) {
				// store original image width and height
				self._imgs[self._open].w = imag.width;
				self._imgs[self._open].h = imag.height;
			}
			if (caption) caption.innerHTML = self._imgs[self._open].title;
			self._set_photo_size(); // calc and set lightbox size
			self._hide_action();
			self._box.style.display = "block";
			self._box.firstChild.src = imag.src;
			self._box.firstChild.setAttribute('title',self._imgs[self._open].title);
			if (loading) loading.style.display = 'none';
		};
		self._expandable = false;
		self._expanded = false;
		imag.src = self._imgs[self._open].src;
		// take a bit delay to set image
		// window.setTimeout(function(){imag.src = self._imgs[self._open].src;},0);
	},
	_set_cursor : function(obj)
	{
		var self = this;
		if (self._ua.isWinIE && !self._ua.isNewIE) return;
		obj.style.cursor = 'pointer';
	},
	_close : function()
	{
		var self = this;
		self._open = -1;
		self._hide_action();
		self._wrap.style.display = "none";
		self._box.style.display  = "none";
		//document.getElementByID("lightboxHide").style.display = "";
	}
};
// === main ===
addEvent(window,"load",function() {
	var lightbox = new LightBox({
		loadingimg:URL_BASE+'/images/loading.gif',
		expandimg:URL_BASE+'/images/expand.gif',
		shrinkimg:URL_BASE+'/images/shrink.gif',
		closeimg:URL_BASE+'/images/close.gif'
	});
});
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}