var YAHOO = window.YAHOO || {};
YAHOO.namespace = function(ns) {

    if (!ns || !ns.length) {
        return null;
    }
    var levels = ns.split(".");
    var nsobj = YAHOO;

    for (var i=(levels[0] == "YAHOO") ? 1 : 0; i<levels.length; ++i) {
        nsobj[levels[i]] = nsobj[levels[i]] || {};
        nsobj = nsobj[levels[i]];
    }

    return nsobj;
};

YAHOO.log = function(sMsg, sCategory, sSource) {
    var l = YAHOO.widget.Logger;
    if(l && l.log) {
        return l.log(sMsg, sCategory, sSource);
    } else {
        return false;
    }
};

YAHOO.extend = function(subclass, superclass) {
    var f = function() {};
    f.prototype = superclass.prototype;
    subclass.prototype = new f();
    subclass.prototype.constructor = subclass;
    subclass.superclass = superclass.prototype;
    if (superclass.prototype.constructor == Object.prototype.constructor) {
        superclass.prototype.constructor = superclass;
    }
};

YAHOO.namespace("util");
YAHOO.namespace("widget");
YAHOO.namespace("example");

YAHOO.util.CustomEvent = function(type, oScope, silent) {
    this.type = type;
    this.scope = oScope || window;
    this.silent = silent;
    this.subscribers = [];

    if (YAHOO.util.Event) { 
        YAHOO.util.Event.regCE(this);
    }

    if (!this.silent) {
    }
};

YAHOO.util.CustomEvent.prototype = {

    subscribe: function(fn, obj, bOverride) {
        this.subscribers.push( new YAHOO.util.Subscriber(fn, obj, bOverride) );
    },


    unsubscribe: function(fn, obj) {
        var found = false;
        for (var i=0, len=this.subscribers.length; i<len; ++i) {
            var s = this.subscribers[i];
            if (s && s.contains(fn, obj)) {
                this._delete(i);
                found = true;
            }
        }
        return found;
    },

    fire: function() {
        var len=this.subscribers.length;

        var args = [];

        for (var i=0; i<arguments.length; ++i) {
            args.push(arguments[i]);
        }

        if (!this.silent) {
        }

        for (i=0; i<len; ++i) {
            var s = this.subscribers[i];
            if (s) {
                if (!this.silent) {
                }
                var scope = (s.override) ? s.obj : this.scope;
                s.fn.call(scope, this.type, args, s.obj);
            }
        }
    },

    unsubscribeAll: function() {
        for (var i=0, len=this.subscribers.length; i<len; ++i) {
            this._delete(i);
        }
    },
    _delete: function(index) {
        var s = this.subscribers[index];
        if (s) {
            delete s.fn;
            delete s.obj;
        }

        delete this.subscribers[index];
    },

    toString: function() {
         return "CustomEvent: " + "'" + this.type  + "', " + 
             "scope: " + this.scope;

    }
};

YAHOO.util.Subscriber = function(fn, obj, bOverride) {

    this.fn = fn;

    this.obj = obj || null;


    this.override = (bOverride);
};

YAHOO.util.Subscriber.prototype.contains = function(fn, obj) {
    return (this.fn == fn && this.obj == obj);
};

YAHOO.util.Subscriber.prototype.toString = function() {
    return "Subscriber { obj: " + (this.obj || "")  + 
           ", override: " +  (this.override || "no") + " }";
};

if (!YAHOO.util.Event) {
    YAHOO.util.Event = function() {
        var loadComplete =  false;
        var listeners = [];
        var delayedListeners = [];
        var unloadListeners = [];
        var customEvents = [];
        var legacyEvents = [];
        var legacyHandlers = [];
        var retryCount = 0;
        var onAvailStack = [];
        var legacyMap = [];
        var counter = 0;

        return {
            POLL_RETRYS: 200,
            POLL_INTERVAL: 50,
            EL: 0,
            TYPE: 1,
            FN: 2,
            WFN: 3,
            SCOPE: 3,
            ADJ_SCOPE: 4,
            isSafari: (/Safari|Konqueror|KHTML/gi).test(navigator.userAgent),
            isIE: (!this.isSafari && !navigator.userAgent.match(/opera/gi) && 
                    navigator.userAgent.match(/msie/gi)),

            addDelayedListener: function(el, sType, fn, oScope, bOverride) {
                delayedListeners[delayedListeners.length] =
                    [el, sType, fn, oScope, bOverride];

                if (loadComplete) {
                    retryCount = this.POLL_RETRYS;
                    this.startTimeout(0);
                }
            },


            startTimeout: function(interval) {
                var i = (interval || interval === 0) ? interval : this.POLL_INTERVAL;
                var self = this;
                var callback = function() { self._tryPreloadAttach(); };
                this.timeout = setTimeout(callback, i);
            },

            onAvailable: function(p_id, p_fn, p_obj, p_override) {
                onAvailStack.push( { id:       p_id, 
                                     fn:       p_fn, 
                                     obj:      p_obj, 
                                     override: p_override } );

                retryCount = this.POLL_RETRYS;
                this.startTimeout(0);
            },
            addListener: function(el, sType, fn, oScope, bOverride) {

                if (!fn || !fn.call) {
                    return false;
                }
                if ( this._isValidCollection(el)) {
                    var ok = true;
                    for (var i=0,len=el.length; i<len; ++i) {
                        ok = ( this.on(el[i], 
                                       sType, 
                                       fn, 
                                       oScope, 
                                       bOverride) && ok );
                    }
                    return ok;

                } else if (typeof el == "string") {
                    var oEl = this.getEl(el);

                    if (loadComplete && oEl) {
                        el = oEl;
                    } else {
                        this.addDelayedListener(el, 
                                                sType, 
                                                fn, 
                                                oScope, 
                                                bOverride);

                        return true;
                    }
                }

                if (!el) {
                    return false;
                }

                if ("unload" == sType && oScope !== this) {
                    unloadListeners[unloadListeners.length] =
                            [el, sType, fn, oScope, bOverride];
                    return true;
                }

                var scope = (bOverride) ? oScope : el;

                var wrappedFn = function(e) {
                        return fn.call(scope, YAHOO.util.Event.getEvent(e), 
                                oScope);
                    };

                var li = [el, sType, fn, wrappedFn, scope];
                var index = listeners.length;
                listeners[index] = li;

                if (this.useLegacyEvent(el, sType)) {
                    var legacyIndex = this.getLegacyIndex(el, sType);
                    if (legacyIndex == -1) {

                        legacyIndex = legacyEvents.length;
                        legacyMap[el.id + sType] = legacyIndex;

                        legacyEvents[legacyIndex] = 
                            [el, sType, el["on" + sType]];
                        legacyHandlers[legacyIndex] = [];

                        el["on" + sType] = 
                            function(e) {
                                YAHOO.util.Event.fireLegacyEvent(
                                    YAHOO.util.Event.getEvent(e), legacyIndex);
                            };
                    }

                    legacyHandlers[legacyIndex].push(index);

                } else if (el.addEventListener) {
                    el.addEventListener(sType, wrappedFn, false);
                } else if (el.attachEvent) {
                    el.attachEvent("on" + sType, wrappedFn);
                }

                return true;
                
            },
            fireLegacyEvent: function(e, legacyIndex) {
                var ok = true;

                var le = legacyHandlers[legacyIndex];
                for (var i=0,len=le.length; i<len; ++i) {
                    var index = le[i];
                    if (index) {
                        var li = listeners[index];
                        if ( li && li[this.WFN] ) {
                            var scope = li[this.ADJ_SCOPE];
                            var ret = li[this.WFN].call(scope, e);
                            ok = (ok && ret);
                        } else {
                            delete le[i];
                        }
                    }
                }

                return ok;
            },

            getLegacyIndex: function(el, sType) {
                var key = this.generateId(el) + sType;
                if (typeof legacyMap[key] == "undefined") { 
                    return -1;
                } else {
                    return legacyMap[key];
                }

            },

            useLegacyEvent: function(el, sType) {

                if (!el.addEventListener && !el.attachEvent) {
                    return true;
                } else if (this.isSafari) {
                    if ("click" == sType || "dblclick" == sType) {
                        return true;
                    }
                }

                return false;
            },

            removeListener: function(el, sType, fn, index) {

                if (!fn || !fn.call) {
                    return false;
                }

                if (typeof el == "string") {
                    el = this.getEl(el);
                } else if ( this._isValidCollection(el)) {
                    var ok = true;
                    for (var i=0,len=el.length; i<len; ++i) {
                        ok = ( this.removeListener(el[i], sType, fn) && ok );
                    }
                    return ok;
                }

                if ("unload" == sType) {

                    for (i=0, len=unloadListeners.length; i<len; i++) {
                        var li = unloadListeners[i];
                        if (li && 
                            li[0] == el && 
                            li[1] == sType && 
                            li[2] == fn) {
                                delete unloadListeners[i];
                                return true;
                        }
                    }

                    return false;
                }

                var cacheItem = null;
  
                if ("undefined" == typeof index) {
                    index = this._getCacheIndex(el, sType, fn);
                }

                if (index >= 0) {
                    cacheItem = listeners[index];
                }

                if (!el || !cacheItem) {
                    return false;
                }

                if (el.removeEventListener) {
                    el.removeEventListener(sType, cacheItem[this.WFN], false);
                } else if (el.detachEvent) {
                    el.detachEvent("on" + sType, cacheItem[this.WFN]);
                }

                delete listeners[index][this.WFN];
                delete listeners[index][this.FN];
                delete listeners[index];

                return true;

            },

            getTarget: function(ev, resolveTextNode) {
                var t = ev.target || ev.srcElement;
                return this.resolveTextNode(t);
            },

            resolveTextNode: function(node) {
                if (node && node.nodeName && 
                        "#TEXT" == node.nodeName.toUpperCase()) {
                    return node.parentNode;
                } else {
                    return node;
                }
            },

            getPageX: function(ev) {
                var x = ev.pageX;
                if (!x && 0 !== x) {
                    x = ev.clientX || 0;

                    if ( this.isIE ) {
                        x += this._getScrollLeft();
                    }
                }

                return x;
            },

            getPageY: function(ev) {
                var y = ev.pageY;
                if (!y && 0 !== y) {
                    y = ev.clientY || 0;

                    if ( this.isIE ) {
                        y += this._getScrollTop();
                    }
                }

                return y;
            },

            getXY: function(ev) {
                return [this.getPageX(ev), this.getPageY(ev)];
            },

            getRelatedTarget: function(ev) {
                var t = ev.relatedTarget;
                if (!t) {
                    if (ev.type == "mouseout") {
                        t = ev.toElement;
                    } else if (ev.type == "mouseover") {
                        t = ev.fromElement;
                    }
                }

                return this.resolveTextNode(t);
            },

            getTime: function(ev) {
                if (!ev.time) {
                    var t = new Date().getTime();
                    try {
                        ev.time = t;
                    } catch(e) { 
                        // can't set the time property  
                        return t;
                    }
                }

                return ev.time;
            },

            stopEvent: function(ev) {
                this.stopPropagation(ev);
                this.preventDefault(ev);
            },

            stopPropagation: function(ev) {
                if (ev.stopPropagation) {
                    ev.stopPropagation();
                } else {
                    ev.cancelBubble = true;
                }
            },

            preventDefault: function(ev) {
                if (ev.preventDefault) {
                    ev.preventDefault();
                } else {
                    ev.returnValue = false;
                }
            },
             
            getEvent: function(e) {
                var ev = e || window.event;

                if (!ev) {
                    var c = this.getEvent.caller;
                    while (c) {
                        ev = c.arguments[0];
                        if (ev && Event == ev.constructor) {
                            break;
                        }
                        c = c.caller;
                    }
                }

                return ev;
            },

            getCharCode: function(ev) {
                return ev.charCode || ((ev.type == "keypress") ? ev.keyCode : 0);
            },

            _getCacheIndex: function(el, sType, fn) {
                for (var i=0,len=listeners.length; i<len; ++i) {
                    var li = listeners[i];
                    if ( li                 && 
                         li[this.FN] == fn  && 
                         li[this.EL] == el  && 
                         li[this.TYPE] == sType ) {
                        return i;
                    }
                }

                return -1;
            },

            generateId: function(el) {
                var id = el.id;

                if (!id) {
                    id = "yuievtautoid-" + counter;
                    ++counter;
                    el.id = id;
                }

                return id;
            },

            _isValidCollection: function(o) {

                return ( o                    && // o is something
                         o.length             && // o is indexed
                         typeof o != "string" && // o is not a string
                         !o.tagName           && // o is not an HTML element
                         !o.alert             && // o is not a window
                         typeof o[0] != "undefined" );

            },

            elCache: {},

            getEl: function(id) {
                return document.getElementById(id);
            },

            clearCache: function() { },

            regCE: function(ce) {
                customEvents.push(ce);
            },

            _load: function(e) {
                loadComplete = true;
            },

            _tryPreloadAttach: function() {

                if (this.locked) {
                    return false;
                }

                this.locked = true;

                var tryAgain = !loadComplete;
                if (!tryAgain) {
                    tryAgain = (retryCount > 0);
                }

                var stillDelayed = [];

                for (var i=0,len=delayedListeners.length; i<len; ++i) {
                    var d = delayedListeners[i];

                    if (d) {

                        var el = this.getEl(d[this.EL]);

                        if (el) {
                            this.on(el, d[this.TYPE], d[this.FN], 
                                    d[this.SCOPE], d[this.ADJ_SCOPE]);
                            delete delayedListeners[i];
                        } else {
                            stillDelayed.push(d);
                        }
                    }
                }

                delayedListeners = stillDelayed;
                var notAvail = [];
                for (i=0,len=onAvailStack.length; i<len ; ++i) {
                    var item = onAvailStack[i];
                    if (item) {
                        el = this.getEl(item.id);

                        if (el) {
                            var scope = (item.override) ? item.obj : el;
                            item.fn.call(scope, item.obj);
                            delete onAvailStack[i];
                        } else {
                            notAvail.push(item);
                        }
                    }
                }

                retryCount = (stillDelayed.length === 0 && 
                                    notAvail.length === 0) ? 0 : retryCount - 1;

                if (tryAgain) {
                    this.startTimeout();
                }

                this.locked = false;

                return true;

            },
            purgeElement: function(el, recurse, sType) {
                var elListeners = this.getListeners(el, sType);
                if (elListeners) {
                    for (var i=0,len=elListeners.length; i<len ; ++i) {
                        var l = elListeners[i];
                        this.removeListener(el, l.type, l.fn, l.index);
                    }
                }

                if (recurse && el && el.childNodes) {
                    for (i=0,len=el.childNodes.length; i<len ; ++i) {
                        this.purgeElement(el.childNodes[i], recurse, sType);
                    }
                }
            },

     
            getListeners: function(el, sType) {
                var elListeners = [];
                if (listeners && listeners.length > 0) {
                    for (var i=0,len=listeners.length; i<len ; ++i) {
                        var l = listeners[i];
                        if ( l  && l[this.EL] === el && 
                                (!sType || sType === l[this.TYPE]) ) {
                            elListeners.push({
                                type:   l[this.TYPE],
                                fn:     l[this.FN],
                                obj:    l[this.SCOPE],
                                adjust: l[this.ADJ_SCOPE],
                                index:  i
                            });
                        }
                    }
                }

                return (elListeners.length) ? elListeners : null;
            },

            _unload: function(e, me) {
                for (var i=0,len=unloadListeners.length; i<len; ++i) {
                    var l = unloadListeners[i];
                    if (l) {
                        var scope = (l[this.ADJ_SCOPE]) ? l[this.SCOPE]: window;
                        l[this.FN].call(scope, this.getEvent(e), l[this.SCOPE] );
                    }
                }

                if (listeners && listeners.length > 0) {
                    for (i=0,len=listeners.length; i<len ; ++i) {
                        l = listeners[i];
                        if (l) {
                            this.removeListener(l[this.EL], l[this.TYPE], 
                                    l[this.FN], i);
                        }
                    }

                    this.clearCache();
                }

                for (i=0,len=customEvents.length; i<len; ++i) {
                    customEvents[i].unsubscribeAll();
                    delete customEvents[i];
                }

                for (i=0,len=legacyEvents.length; i<len; ++i) {
                    // dereference the element
                    delete legacyEvents[i][0];
                    // delete the array item
                    delete legacyEvents[i];
                }
            },

            _getScrollLeft: function() {
                return this._getScroll()[1];
            },

            _getScrollTop: function() {
                return this._getScroll()[0];
            },

            _getScroll: function() {
                var dd = document.documentElement; db = document.body;
                if (dd && dd.scrollTop) {
                    return [dd.scrollTop, dd.scrollLeft];
                } else if (db) {
                    return [db.scrollTop, db.scrollLeft];
                } else {
                    return [0, 0];
                }
            }
        };
    } ();

    YAHOO.util.Event.on = YAHOO.util.Event.addListener;

    if (document && document.body) {
        YAHOO.util.Event._load();
    } else {
        YAHOO.util.Event.on(window, "load", YAHOO.util.Event._load, 
                YAHOO.util.Event, true);
    }

    YAHOO.util.Event.on(window, "unload", YAHOO.util.Event._unload, 
                YAHOO.util.Event, true);

    YAHOO.util.Event._tryPreloadAttach();

}
YAHOO.util.Dom = function() {
   var ua = navigator.userAgent.toLowerCase();
   var isOpera = (ua.indexOf('opera') > -1);
   var isSafari = (ua.indexOf('safari') > -1);
   var isIE = (window.ActiveXObject);

   var id_counter = 0;
   var util = YAHOO.util; 
   var property_cache = {}; 
   
   var toCamel = function(property) {
      var convert = function(prop) {
         var test = /(-[a-z])/i.exec(prop);
         return prop.replace(RegExp.$1, RegExp.$1.substr(1).toUpperCase());
      };
      
      while(property.indexOf('-') > -1) {
         property = convert(property);
      }

      return property;
   };
   
   var toHyphen = function(property) {
      if (property.indexOf('-') > -1) { 
         return property;
      }
      
      var converted = '';
      for (var i = 0, len = property.length;i < len; ++i) {
         if (property.charAt(i) == property.charAt(i).toUpperCase()) {
            converted = converted + '-' + property.charAt(i).toLowerCase();
         } else {
            converted = converted + property.charAt(i);
         }
      }

      return converted;
   };
   
   var cacheConvertedProperties = function(property) {
      property_cache[property] = {
         camel: toCamel(property),
         hyphen: toHyphen(property)
      };
   };
   
   return {
      get: function(el) {
         if (!el) { return null; } // nothing to work with
         
         if (typeof el != 'string' && !(el instanceof Array) ) { // assuming HTMLElement or HTMLCollection, so pass back as is
            return el;
         }
         
         if (typeof el == 'string') { // ID
            return document.getElementById(el);
         }
         else { 
            var collection = [];
            for (var i = 0, len = el.length; i < len; ++i) {
               collection[collection.length] = util.Dom.get(el[i]);
            }
            
            return collection;
         }

         return null; 
      },

      getStyle: function(el, property) {
         var f = function(el) {
            var value = null;
            var dv = document.defaultView;
            
            if (!property_cache[property]) {
               cacheConvertedProperties(property);
            }
            
            var camel = property_cache[property]['camel'];
            var hyphen = property_cache[property]['hyphen'];

            if (property == 'opacity' && el.filters) {// IE opacity
               value = 1;
               try {
                  value = el.filters.item('DXImageTransform.Microsoft.Alpha').opacity / 100;
               } catch(e) {
                  try {
                     value = el.filters.item('alpha').opacity / 100;
                  } catch(e) {}
               }
            } else if (el.style[camel]) { 
               value = el.style[camel];
            }
            else if (isIE && el.currentStyle && el.currentStyle[camel]) { 
               value = el.currentStyle[camel];
            }
            else if ( dv && dv.getComputedStyle ) { 
               var computed = dv.getComputedStyle(el, '');
               
               if (computed && computed.getPropertyValue(hyphen)) {
                  value = computed.getPropertyValue(hyphen);
               }
            }
      
            return value;
         };
         
         return util.Dom.batch(el, f, util.Dom, true);
      },
      setStyle: function(el, property, val) {
         if (!property_cache[property]) {
            cacheConvertedProperties(property);
         }
         
         var camel = property_cache[property]['camel'];
         
         var f = function(el) {
            switch(property) {
               case 'opacity' :
                  if (isIE && typeof el.style.filter == 'string') { // in case not appended
                     el.style.filter = 'alpha(opacity=' + val * 100 + ')';
                     
                     if (!el.currentStyle || !el.currentStyle.hasLayout) {
                        el.style.zoom = 1; // when no layout or cant tell
                     }
                  } else {
                     el.style.opacity = val;
                     el.style['-moz-opacity'] = val;
                     el.style['-khtml-opacity'] = val;
                  }

                  break;
               default :
                  el.style[camel] = val;
            }
            
            
         };
         
         util.Dom.batch(el, f, util.Dom, true);
      },
      getXY: function(el) {
         var f = function(el) {

            if (el.offsetParent === null || this.getStyle(el, 'display') == 'none') {
               return false;
            }
            
            var parentNode = null;
            var pos = [];
            var box;
            
            if (el.getBoundingClientRect) { // IE
               box = el.getBoundingClientRect();
               var doc = document;
               if ( !this.inDocument(el) && parent.document != document) {
                  doc = parent.document;

                  if ( !this.isAncestor(doc.documentElement, el) ) {
                     return false;                 
                  }

               }

               var scrollTop = Math.max(doc.documentElement.scrollTop, doc.body.scrollTop);
               var scrollLeft = Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft);
               
               return [box.left + scrollLeft, box.top + scrollTop];
            }
            else { 
               pos = [el.offsetLeft, el.offsetTop];
               parentNode = el.offsetParent;
               if (parentNode != el) {
                  while (parentNode) {
                     pos[0] += parentNode.offsetLeft;
                     pos[1] += parentNode.offsetTop;
                     parentNode = parentNode.offsetParent;
                  }
               }
               if (isSafari && this.getStyle(el, 'position') == 'absolute' ) { 
                  pos[0] -= document.body.offsetLeft;
                  pos[1] -= document.body.offsetTop;
               } 
            }
            
            if (el.parentNode) { parentNode = el.parentNode; }
            else { parentNode = null; }
      
            while (parentNode && parentNode.tagName.toUpperCase() != 'BODY' && parentNode.tagName.toUpperCase() != 'HTML') 
            { 
               pos[0] -= parentNode.scrollLeft;
               pos[1] -= parentNode.scrollTop;
      
               if (parentNode.parentNode) { parentNode = parentNode.parentNode; } 
               else { parentNode = null; }
            }
      
            
            return pos;
         };
         
         return util.Dom.batch(el, f, util.Dom, true);
      },

      getX: function(el) {
         return util.Dom.getXY(el)[0];
      },

      getY: function(el) {
         return util.Dom.getXY(el)[1];
      },

      setXY: function(el, pos, noRetry) {
         var f = function(el) {
            var style_pos = this.getStyle(el, 'position');
            if (style_pos == 'static') { // default to relative
               this.setStyle(el, 'position', 'relative');
               style_pos = 'relative';
            }
            
            var pageXY = this.getXY(el);
            if (pageXY === false) { 
               return false; 
            }
            
            var delta = [ 
               parseInt( this.getStyle(el, 'left'), 10 ),
               parseInt( this.getStyle(el, 'top'), 10 )
            ];
         
            if ( isNaN(delta[0]) ) {
               delta[0] = (style_pos == 'relative') ? 0 : el.offsetLeft;
            } 
            if ( isNaN(delta[1]) ) { 
               delta[1] = (style_pos == 'relative') ? 0 : el.offsetTop;
            } 
      
            if (pos[0] !== null) { el.style.left = pos[0] - pageXY[0] + delta[0] + 'px'; }
            if (pos[1] !== null) { el.style.top = pos[1] - pageXY[1] + delta[1] + 'px'; }
      
            var newXY = this.getXY(el);

            if (!noRetry && (newXY[0] != pos[0] || newXY[1] != pos[1]) ) {
               this.setXY(el, pos, true);
            }
            
         };
         
         util.Dom.batch(el, f, util.Dom, true);
      },

      setX: function(el, x) {
         util.Dom.setXY(el, [x, null]);
      },

      setY: function(el, y) {
         util.Dom.setXY(el, [null, y]);
      },

      getRegion: function(el) {
         var f = function(el) {
            var region = new YAHOO.util.Region.getRegion(el);
            return region;
         };
         
         return util.Dom.batch(el, f, util.Dom, true);
      },

      getClientWidth: function() {
         return util.Dom.getViewportWidth();
      },

      getClientHeight: function() {
         return util.Dom.getViewportHeight();
      },


      getElementsByClassName: function(className, tag, root) {
         var method = function(el) { return util.Dom.hasClass(el, className) };
         return util.Dom.getElementsBy(method, tag, root);
      },

      hasClass: function(el, className) {
         var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)');
         
         var f = function(el) {
            return re.test(el['className']);
         };
         
         return util.Dom.batch(el, f, util.Dom, true);
      },

      addClass: function(el, className) {
         var f = function(el) {
            if (this.hasClass(el, className)) { return; } // already present
            
            
            el['className'] = [el['className'], className].join(' ');
         };
         
         util.Dom.batch(el, f, util.Dom, true);
      },

      removeClass: function(el, className) {
         var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)', 'g');

         var f = function(el) {
            if (!this.hasClass(el, className)) { return; } // not present
            
            
            var c = el['className'];
            el['className'] = c.replace(re, ' ');
            if ( this.hasClass(el, className) ) { // in case of multiple adjacent
               this.removeClass(el, className);
            }
            
         };
         
         util.Dom.batch(el, f, util.Dom, true);
      },

      replaceClass: function(el, oldClassName, newClassName) {
         var re = new RegExp('(?:^|\\s+)' + oldClassName + '(?:\\s+|$)', 'g');

         var f = function(el) {
         
            if ( !this.hasClass(el, oldClassName) ) {
               this.addClass(el, newClassName); // just add it if nothing to replace
               return; // note return
            }
         
            el['className'] = el['className'].replace(re, ' ' + newClassName + ' ');

            if ( this.hasClass(el, oldClassName) ) { // in case of multiple adjacent
               this.replaceClass(el, oldClassName, newClassName);
            }
         };
         
         util.Dom.batch(el, f, util.Dom, true);
      },

      generateId: function(el, prefix) {
         prefix = prefix || 'yui-gen';
         el = el || {};
         
         var f = function(el) {
            if (el) {
               el = util.Dom.get(el);
            } else {
               el = {}; // just generating ID in this case
            }
            
            if (!el.id) {
               el.id = prefix + id_counter++; 
            } // dont override existing
            
            
            return el.id;
         };
         
         return util.Dom.batch(el, f, util.Dom, true);
      },

      isAncestor: function(haystack, needle) {
         haystack = util.Dom.get(haystack);
         if (!haystack || !needle) { return false; }
         
         var f = function(needle) {
            if (haystack.contains && !isSafari) { 
               return haystack.contains(needle);
            }
            else if ( haystack.compareDocumentPosition ) {
               return !!(haystack.compareDocumentPosition(needle) & 16);
            }
            else { 
               var parent = needle.parentNode;
               
               while (parent) {
                  if (parent == haystack) {
                     return true;
                  }
                  else if (parent.tagName.toUpperCase() == 'HTML') {
                     return false;
                  }
                  
                  parent = parent.parentNode;
               }
               return false;
            }    
         };
         
         return util.Dom.batch(needle, f, util.Dom, true);     
      },

      inDocument: function(el) {
         var f = function(el) {
            return this.isAncestor(document.documentElement, el);
         };
         
         return util.Dom.batch(el, f, util.Dom, true);
      },

      getElementsBy: function(method, tag, root) {
         tag = tag || '*';
         root = util.Dom.get(root) || document;
         
         var nodes = [];
         var elements = root.getElementsByTagName(tag);
         
         if ( !elements.length && (tag == '*' && root.all) ) {
            elements = root.all;
         }
         
         for (var i = 0, len = elements.length; i < len; ++i) 
         {
            if ( method(elements[i]) ) { nodes[nodes.length] = elements[i]; }
         }

         
         return nodes;
      },

      batch: function(el, method, o, override) {
         var id = el;
         el = util.Dom.get(el);
         
         var scope = (override) ? o : window;
         
         if (!el || el.tagName || !el.length) { 
            if (!el) {
               return false;
            }
            return method.call(scope, el, o);
         } 
         
         var collection = [];
         
         for (var i = 0, len = el.length; i < len; ++i) {
            if (!el[i]) {
               id = id[i];
            }
            collection[collection.length] = method.call(scope, el[i], o);
         }
         
         return collection;
      },

      getDocumentHeight: function() {
         var scrollHeight=-1,windowHeight=-1,bodyHeight=-1;
         var marginTop = parseInt(util.Dom.getStyle(document.body, 'marginTop'), 10);
         var marginBottom = parseInt(util.Dom.getStyle(document.body, 'marginBottom'), 10);
         
         var mode = document.compatMode;
         
         if ( (mode || isIE) && !isOpera ) { 
            switch (mode) {
               case 'CSS1Compat': 
                  scrollHeight = ((window.innerHeight && window.scrollMaxY) ?  window.innerHeight+window.scrollMaxY : -1);
                  windowHeight = [document.documentElement.clientHeight,self.innerHeight||-1].sort(function(a, b){return(a-b);})[1];
                  bodyHeight = document.body.offsetHeight + marginTop + marginBottom;
                  break;
               
               default: // Quirks
                  scrollHeight = document.body.scrollHeight;
                  bodyHeight = document.body.clientHeight;
            }
         } else { // Safari & Opera
            scrollHeight = document.documentElement.scrollHeight;
            windowHeight = self.innerHeight;
            bodyHeight = document.documentElement.clientHeight;
         }
      
         var h = [scrollHeight,windowHeight,bodyHeight].sort(function(a, b){return(a-b);});
         return h[2];
      },

      getDocumentWidth: function() {
         var docWidth=-1,bodyWidth=-1,winWidth=-1;
         var marginRight = parseInt(util.Dom.getStyle(document.body, 'marginRight'), 10);
         var marginLeft = parseInt(util.Dom.getStyle(document.body, 'marginLeft'), 10);
         
         var mode = document.compatMode;
         
         if (mode || isIE) { 
            switch (mode) {
               case 'CSS1Compat': 
                  docWidth = document.documentElement.clientWidth;
                  bodyWidth = document.body.offsetWidth + marginLeft + marginRight;
                  winWidth = self.innerWidth || -1;
                  break;
                  
               default: 
                  bodyWidth = document.body.clientWidth;
                  winWidth = document.body.scrollWidth;
                  break;
            }
         } else { 
            docWidth = document.documentElement.clientWidth;
            bodyWidth = document.body.offsetWidth + marginLeft + marginRight;
            winWidth = self.innerWidth;
         }
      
         var w = [docWidth,bodyWidth,winWidth].sort(function(a, b){return(a-b);});
         return w[2];
      },

      getViewportHeight: function() {
         var height = -1;
         var mode = document.compatMode;
      
         if ( (mode || isIE) && !isOpera ) {
            switch (mode) { // (IE, Gecko)
               case 'CSS1Compat': // Standards mode
                  height = document.documentElement.clientHeight;
                  break;
      
               default: // Quirks
                  height = document.body.clientHeight;
            }
         } else { // Safari, Opera
            height = self.innerHeight;
         }
      
         return height;
      },
    
      getViewportWidth: function() {
         var width = -1;
         var mode = document.compatMode;
         
         if (mode || isIE) { // (IE, Gecko, Opera)
            switch (mode) {
            case 'CSS1Compat': // Standards mode 
               width = document.documentElement.clientWidth;
               break;
               
            default: // Quirks
               width = document.body.clientWidth;
            }
         } else { // Safari
            width = self.innerWidth;
         }
         return width;
      }
   };
}();

YAHOO.util.Region = function(t, r, b, l) {
    this.top = t;
    this[1] = t;
    this.right = r;
    this.bottom = b;
    this.left = l;
    this[0] = l;
};
YAHOO.util.Region.prototype.contains = function(region) {
    return ( region.left   >= this.left   && 
             region.right  <= this.right  && 
             region.top    >= this.top    && 
             region.bottom <= this.bottom    );

};
YAHOO.util.Region.prototype.getArea = function() {
    return ( (this.bottom - this.top) * (this.right - this.left) );
};
YAHOO.util.Region.prototype.intersect = function(region) {
    var t = Math.max( this.top,    region.top    );
    var r = Math.min( this.right,  region.right  );
    var b = Math.min( this.bottom, region.bottom );
    var l = Math.max( this.left,   region.left   );
    
    if (b >= t && r >= l) {
        return new YAHOO.util.Region(t, r, b, l);
    } else {
        return null;
    }
};
YAHOO.util.Region.prototype.union = function(region) {
    var t = Math.min( this.top,    region.top    );
    var r = Math.max( this.right,  region.right  );
    var b = Math.max( this.bottom, region.bottom );
    var l = Math.min( this.left,   region.left   );

    return new YAHOO.util.Region(t, r, b, l);
};
YAHOO.util.Region.prototype.toString = function() {
    return ( "Region {"    +
             "top: "       + this.top    + 
             ", right: "   + this.right  + 
             ", bottom: "  + this.bottom + 
             ", left: "    + this.left   + 
             "}" );
};
YAHOO.util.Region.getRegion = function(el) {
    var p = YAHOO.util.Dom.getXY(el);

    var t = p[1];
    var r = p[0] + el.offsetWidth;
    var b = p[1] + el.offsetHeight;
    var l = p[0];

    return new YAHOO.util.Region(t, r, b, l);
};
YAHOO.util.Point = function(x, y) {
   if (x instanceof Array) { // accept output from Dom.getXY
      y = x[1];
      x = x[0];
   }
    this.x = this.right = this.left = this[0] = x;
    this.y = this.top = this.bottom = this[1] = y;
};

YAHOO.util.Point.prototype = new YAHOO.util.Region();
YAHOO.util.Anim = function(el, attributes, duration, method) {
   if (el) {
      this.init(el, attributes, duration, method); 
   }
};

YAHOO.util.Anim.prototype = {
   toString: function() {
      var el = this.getEl();
      var id = el.id || el.tagName;
      return ("Anim " + id);
   },
   
   patterns: { // cached for performance
      noNegatives:      /width|height|opacity|padding/i, 
      offsetAttribute:  /^((width|height)|(top|left))$/, 
      defaultUnit:      /width|height|top$|bottom$|left$|right$/i, 
      offsetUnit:       /\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i
   },

   doMethod: function(attr, start, end) {
      return this.method(this.currentFrame, start, end - start, this.totalFrames);
   },

   setAttribute: function(attr, val, unit) {
      if ( this.patterns.noNegatives.test(attr) ) {
         val = (val > 0) ? val : 0;
      }

      YAHOO.util.Dom.setStyle(this.getEl(), attr, val + unit);
   },                  

   getAttribute: function(attr) {
      var el = this.getEl();
      var val = YAHOO.util.Dom.getStyle(el, attr);

      if (val !== 'auto' && !this.patterns.offsetUnit.test(val)) {
         return parseFloat(val);
      }
      
      var a = this.patterns.offsetAttribute.exec(attr) || [];
      var pos = !!( a[3] ); 
      var box = !!( a[2] ); 
      
      if ( box || (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute' && pos) ) {
         val = el['offset' + a[0].charAt(0).toUpperCase() + a[0].substr(1)];
      } else { 
         val = 0;
      }

      return val;
   },

   getDefaultUnit: function(attr) {
       if ( this.patterns.defaultUnit.test(attr) ) {
         return 'px';
       }
       
       return '';
   },
      
   setRuntimeAttribute: function(attr) {
      var start;
      var end;
      var attributes = this.attributes;

      this.runtimeAttributes[attr] = {};
      
      var isset = function(prop) {
         return (typeof prop !== 'undefined');
      };
      
      if ( !isset(attributes[attr]['to']) && !isset(attributes[attr]['by']) ) {
         return false; 
      }
      
      start = ( isset(attributes[attr]['from']) ) ? attributes[attr]['from'] : this.getAttribute(attr);

      if ( isset(attributes[attr]['to']) ) {
         end = attributes[attr]['to'];
      } else if ( isset(attributes[attr]['by']) ) {
         if (start.constructor == Array) {
            end = [];
            for (var i = 0, len = start.length; i < len; ++i) {
               end[i] = start[i] + attributes[attr]['by'][i];
            }
         } else {
            end = start + attributes[attr]['by'];
         }
      }
      
      this.runtimeAttributes[attr].start = start;
      this.runtimeAttributes[attr].end = end;

      this.runtimeAttributes[attr].unit = ( isset(attributes[attr].unit) ) ? attributes[attr]['unit'] : this.getDefaultUnit(attr);
   },
   init: function(el, attributes, duration, method) {
      var isAnimated = false;
      var startTime = null;
      var actualFrames = 0; 
      el = YAHOO.util.Dom.get(el);
      this.attributes = attributes || {};
      this.duration = duration || 1;
      this.method = method || YAHOO.util.Easing.easeNone;
      this.useSeconds = true; // default to seconds
      this.currentFrame = 0;
      this.totalFrames = YAHOO.util.AnimMgr.fps;
      this.getEl = function() { return el; };
      this.isAnimated = function() {
         return isAnimated;
      };
      this.getStartTime = function() {
         return startTime;
      };      
      
      this.runtimeAttributes = {};
      this.animate = function() {
         if ( this.isAnimated() ) { return false; }
         
         this.currentFrame = 0;
         
         this.totalFrames = ( this.useSeconds ) ? Math.ceil(YAHOO.util.AnimMgr.fps * this.duration) : this.duration;
   
         YAHOO.util.AnimMgr.registerElement(this);
      };
      this.stop = function() {
         YAHOO.util.AnimMgr.stop(this);
      };
      
      var onStart = function() {
         this.onStart.fire();
         for (var attr in this.attributes) {
            this.setRuntimeAttribute(attr);
         }
         
         isAnimated = true;
         actualFrames = 0;
         startTime = new Date(); 
      };
      var onTween = function() {
         var data = {
            duration: new Date() - this.getStartTime(),
            currentFrame: this.currentFrame
         };
         
         data.toString = function() {
            return (
               'duration: ' + data.duration +
               ', currentFrame: ' + data.currentFrame
            );
         };
         
         this.onTween.fire(data);
         
         var runtimeAttributes = this.runtimeAttributes;
         
         for (var attr in runtimeAttributes) {
            this.setAttribute(attr, this.doMethod(attr, runtimeAttributes[attr].start, runtimeAttributes[attr].end), runtimeAttributes[attr].unit); 
         }
         
         actualFrames += 1;
      };
      
      var onComplete = function() {
         var actual_duration = (new Date() - startTime) / 1000 ;
         
         var data = {
            duration: actual_duration,
            frames: actualFrames,
            fps: actualFrames / actual_duration
         };
         
         data.toString = function() {
            return (
               'duration: ' + data.duration +
               ', frames: ' + data.frames +
               ', fps: ' + data.fps
            );
         };
         
         isAnimated = false;
         actualFrames = 0;
         this.onComplete.fire(data);
      };
 
      this._onStart = new YAHOO.util.CustomEvent('_start', this, true);
      this.onStart = new YAHOO.util.CustomEvent('start', this);
      this.onTween = new YAHOO.util.CustomEvent('tween', this);
      this._onTween = new YAHOO.util.CustomEvent('_tween', this, true);
      this.onComplete = new YAHOO.util.CustomEvent('complete', this);
      this._onComplete = new YAHOO.util.CustomEvent('_complete', this, true);

      this._onStart.subscribe(onStart);
      this._onTween.subscribe(onTween);
      this._onComplete.subscribe(onComplete);
   }
};

YAHOO.util.AnimMgr = new function() {
   var thread = null;
   var queue = [];
   var tweenCount = 0;
   this.fps = 200;
   this.delay = 1;
   this.registerElement = function(tween) {
      queue[queue.length] = tween;
      tweenCount += 1;
      tween._onStart.fire();
      this.start();
   };
   
   this.unRegister = function(tween, index) {
      tween._onComplete.fire();
      index = index || getIndex(tween);
      if (index != -1) { queue.splice(index, 1); }
      
      tweenCount -= 1;
      if (tweenCount <= 0) { this.stop(); }
   };
   this.start = function() {
      if (thread === null) { thread = setInterval(this.run, this.delay); }
   };
   this.stop = function(tween) {
      if (!tween) {
         clearInterval(thread);
         for (var i = 0, len = queue.length; i < len; ++i) {
            if (queue[i].isAnimated()) {
               this.unRegister(tween, i);  
            }
         }
         queue = [];
         thread = null;
         tweenCount = 0;
      }
      else {
         this.unRegister(tween);
      }
   };
   this.run = function() {
      for (var i = 0, len = queue.length; i < len; ++i) {
         var tween = queue[i];
         if ( !tween || !tween.isAnimated() ) { continue; }

         if (tween.currentFrame < tween.totalFrames || tween.totalFrames === null)
         {
            tween.currentFrame += 1;
            
            if (tween.useSeconds) {
               correctFrame(tween);
            }
            tween._onTween.fire();        
         }
         else { YAHOO.util.AnimMgr.stop(tween, i); }
      }
   };
   
   var getIndex = function(anim) {
      for (var i = 0, len = queue.length; i < len; ++i) {
         if (queue[i] == anim) {
            return i; // note return;
         }
      }
      return -1;
   };
   var correctFrame = function(tween) {
      var frames = tween.totalFrames;
      var frame = tween.currentFrame;
      var expected = (tween.currentFrame * tween.duration * 1000 / tween.totalFrames);
      var elapsed = (new Date() - tween.getStartTime());
      var tweak = 0;
      
      if (elapsed < tween.duration * 1000) { 
         tweak = Math.round((elapsed / expected - 1) * tween.currentFrame);
      } else { 
         tweak = frames - (frame + 1); 
      }
      if (tweak > 0 && isFinite(tweak)) { 
         if (tween.currentFrame + tweak >= frames) {
            tweak = frames - (frame + 1);
         }
         
         tween.currentFrame += tweak;     
      }
   };
};
YAHOO.util.Bezier = new function() 
{
   this.getPosition = function(points, t)
   {  
      var n = points.length;
      var tmp = [];

      for (var i = 0; i < n; ++i){
         tmp[i] = [points[i][0], points[i][1]]; 
      }
      
      for (var j = 1; j < n; ++j) {
         for (i = 0; i < n - j; ++i) {
            tmp[i][0] = (1 - t) * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0];
            tmp[i][1] = (1 - t) * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1]; 
         }
      }
   
      return [ tmp[0][0], tmp[0][1] ]; 
   
   };
};
(function() {
   YAHOO.util.ColorAnim = function(el, attributes, duration,  method) {
      YAHOO.util.ColorAnim.superclass.constructor.call(this, el, attributes, duration, method);
   };
   
   YAHOO.extend(YAHOO.util.ColorAnim, YAHOO.util.Anim);
   
   var Y = YAHOO.util;
   var superclass = Y.ColorAnim.superclass;
   var proto = Y.ColorAnim.prototype;
   proto.toString = function() {
      var el = this.getEl();
      var id = el.id || el.tagName;
      return ("ColorAnim " + id);
   };
   proto.patterns.color = /color$/i;
   proto.patterns.rgb    = /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i;
   proto.patterns.hex    = /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i;
   proto.patterns.hex3   = /^#?([0-9A-F]{1})([0-9A-F]{1})([0-9A-F]{1})$/i;
   proto.parseColor = function(s) {
      if (s.length == 3) { return s; }
   
      var c = this.patterns.hex.exec(s);
      if (c && c.length == 4) {
         return [ parseInt(c[1], 16), parseInt(c[2], 16), parseInt(c[3], 16) ];
      }
   
      c = this.patterns.rgb.exec(s);
      if (c && c.length == 4) {
         return [ parseInt(c[1], 10), parseInt(c[2], 10), parseInt(c[3], 10) ];
      }
   
      c = this.patterns.hex3.exec(s);
      if (c && c.length == 4) {
         return [ parseInt(c[1] + c[1], 16), parseInt(c[2] + c[2], 16), parseInt(c[3] + c[3], 16) ];
      }
      
      return null;
   };
   proto.getAttribute = function(attr) {
      var el = this.getEl();
      if (  this.patterns.color.test(attr) ) {
         var val = YAHOO.util.Dom.getStyle(el, attr);
         
         if (val == 'transparent') { // bgcolor default
            var parent = el.parentNode; // try and get from an ancestor
            val = Y.Dom.getStyle(parent, attr);
         
            while (parent && val == 'transparent') {
               parent = parent.parentNode;
               val = Y.Dom.getStyle(parent, attr);
               if (parent.tagName.toUpperCase() == 'HTML') {
                  val = 'ffffff';
               }
            }
         }
      } else {
         val = superclass.getAttribute.call(this, attr);
      }

      return val;
   };
   proto.doMethod = function(attr, start, end) {
      var val;
   
      if ( this.patterns.color.test(attr) ) {
         val = [];
         for (var i = 0, len = start.length; i < len; ++i) {
            val[i] = superclass.doMethod.call(this, attr, start[i], end[i]);
         }
         
         val = 'rgb('+Math.floor(val[0])+','+Math.floor(val[1])+','+Math.floor(val[2])+')';
      }
      else {
         val = superclass.doMethod.call(this, attr, start, end);
      }

      return val;
   };
   proto.setRuntimeAttribute = function(attr) {
      superclass.setRuntimeAttribute.call(this, attr);
      
      if ( this.patterns.color.test(attr) ) {
         var attributes = this.attributes;
         var start = this.parseColor(this.runtimeAttributes[attr].start);
         var end = this.parseColor(this.runtimeAttributes[attr].end);
         // fix colors if going "by"
         if ( typeof attributes[attr]['to'] === 'undefined' && typeof attributes[attr]['by'] !== 'undefined' ) {
            end = this.parseColor(attributes[attr].by);
         
            for (var i = 0, len = start.length; i < len; ++i) {
               end[i] = start[i] + end[i];
            }
         }
         
         this.runtimeAttributes[attr].start = start;
         this.runtimeAttributes[attr].end = end;
      }
   };
})();
YAHOO.util.Easing = {
   easeNone: function (t, b, c, d) {
   	return c*t/d + b;
   },
   easeIn: function (t, b, c, d) {
   	return c*(t/=d)*t + b;
   },
   easeOut: function (t, b, c, d) {
   	return -c *(t/=d)*(t-2) + b;
   },
   easeBoth: function (t, b, c, d) {
   	if ((t/=d/2) < 1) return c/2*t*t + b;
   	return -c/2 * ((--t)*(t-2) - 1) + b;
   },
   easeInStrong: function (t, b, c, d) {
   	return c*(t/=d)*t*t*t + b;
   },
   easeOutStrong: function (t, b, c, d) {
   	return -c * ((t=t/d-1)*t*t*t - 1) + b;
   },
   easeBothStrong: function (t, b, c, d) {
   	if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
   	return -c/2 * ((t-=2)*t*t*t - 2) + b;
   },
   elasticIn: function (t, b, c, d, a, p) {
   	if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
   	if (!a || a < Math.abs(c)) { a=c; var s=p/4; }
   	else var s = p/(2*Math.PI) * Math.asin (c/a);
   	return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
   },
   elasticOut: function (t, b, c, d, a, p) {
   	if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
   	if (!a || a < Math.abs(c)) { a=c; var s=p/4; }
   	else var s = p/(2*Math.PI) * Math.asin (c/a);
   	return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
   },
   elasticBoth: function (t, b, c, d, a, p) {
   	if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
   	if (!a || a < Math.abs(c)) { a=c; var s=p/4; }
   	else var s = p/(2*Math.PI) * Math.asin (c/a);
   	if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
   	return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
   },
   backIn: function (t, b, c, d, s) {
   	if (typeof s == 'undefined') s = 1.70158;
   	return c*(t/=d)*t*((s+1)*t - s) + b;
   },
   backOut: function (t, b, c, d, s) {
   	if (typeof s == 'undefined') s = 1.70158;
   	return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
   },
   backBoth: function (t, b, c, d, s) {
   	if (typeof s == 'undefined') s = 1.70158; 
   	if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
   	return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
   },
   bounceIn: function (t, b, c, d) {
   	return c - YAHOO.util.Easing.bounceOut(d-t, 0, c, d) + b;
   },
   bounceOut: function (t, b, c, d) {
   	if ((t/=d) < (1/2.75)) {
   		return c*(7.5625*t*t) + b;
   	} else if (t < (2/2.75)) {
   		return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
   	} else if (t < (2.5/2.75)) {
   		return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
   	} else {
   		return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
   	}
   },
   bounceBoth: function (t, b, c, d) {
   	if (t < d/2) return YAHOO.util.Easing.bounceIn(t*2, 0, c, d) * .5 + b;
   	return YAHOO.util.Easing.bounceOut(t*2-d, 0, c, d) * .5 + c*.5 + b;
   }
};
(function() {
   YAHOO.util.Motion = function(el, attributes, duration,  method) {
      if (el) { // dont break existing subclasses not using YAHOO.extend
         YAHOO.util.Motion.superclass.constructor.call(this, el, attributes, duration, method);
      }
   };

   YAHOO.extend(YAHOO.util.Motion, YAHOO.util.ColorAnim);
   
   var Y = YAHOO.util;
   var superclass = Y.Motion.superclass;
   var proto = Y.Motion.prototype;
   proto.toString = function() {
      var el = this.getEl();
      var id = el.id || el.tagName;
      return ("Motion " + id);
   };
   
   proto.patterns.points = /^points$/i;
   proto.setAttribute = function(attr, val, unit) {
      if (  this.patterns.points.test(attr) ) {
         unit = unit || 'px';
         superclass.setAttribute.call(this, 'left', val[0], unit);
         superclass.setAttribute.call(this, 'top', val[1], unit);
      } else {
         superclass.setAttribute.call(this, attr, val, unit);
      }
   };
   
   proto.getAttribute = function(attr) {
      if (  this.patterns.points.test(attr) ) {
         var val = [
            superclass.getAttribute.call(this, 'left'),
            superclass.getAttribute.call(this, 'top')
         ];
      } else {
         val = superclass.getAttribute.call(this, attr);
      }

      return val;
   };
   
   proto.doMethod = function(attr, start, end) {
      var val = null;

      if ( this.patterns.points.test(attr) ) {
         var t = this.method(this.currentFrame, 0, 100, this.totalFrames) / 100;				
         val = Y.Bezier.getPosition(this.runtimeAttributes[attr], t);
      } else {
         val = superclass.doMethod.call(this, attr, start, end);
      }
      return val;
   };
   
   proto.setRuntimeAttribute = function(attr) {
      if ( this.patterns.points.test(attr) ) {
         var el = this.getEl();
         var attributes = this.attributes;
         var start;
         var control = attributes['points']['control'] || [];
         var end;
         var i, len;
         
         if (control.length > 0 && !(control[0] instanceof Array) ) { 
            control = [control];
         } else { 
            var tmp = []; 
            for (i = 0, len = control.length; i< len; ++i) {
               tmp[i] = control[i];
            }
            control = tmp;
         }

         if (Y.Dom.getStyle(el, 'position') == 'static') { 
            Y.Dom.setStyle(el, 'position', 'relative');
         }
   
         if ( isset(attributes['points']['from']) ) {
            Y.Dom.setXY(el, attributes['points']['from']); 
         } 
         else { Y.Dom.setXY( el, Y.Dom.getXY(el) ); } 
         
         start = this.getAttribute('points'); 

         if ( isset(attributes['points']['to']) ) {
            end = translateValues.call(this, attributes['points']['to'], start);
            
            var pageXY = Y.Dom.getXY(this.getEl());
            for (i = 0, len = control.length; i < len; ++i) {
               control[i] = translateValues.call(this, control[i], start);
            }

            
         } else if ( isset(attributes['points']['by']) ) {
            end = [ start[0] + attributes['points']['by'][0], start[1] + attributes['points']['by'][1] ];
            
            for (i = 0, len = control.length; i < len; ++i) {
               control[i] = [ start[0] + control[i][0], start[1] + control[i][1] ];
            }
         }

         this.runtimeAttributes[attr] = [start];
         
         if (control.length > 0) {
            this.runtimeAttributes[attr] = this.runtimeAttributes[attr].concat(control); 
         }

         this.runtimeAttributes[attr][this.runtimeAttributes[attr].length] = end;
      }
      else {
         superclass.setRuntimeAttribute.call(this, attr);
      }
   };
   
   var translateValues = function(val, start) {
      var pageXY = Y.Dom.getXY(this.getEl());
      val = [ val[0] - pageXY[0] + start[0], val[1] - pageXY[1] + start[1] ];

      return val; 
   };
   
   var isset = function(prop) {
      return (typeof prop !== 'undefined');
   };
})();

(function() {
   YAHOO.util.Scroll = function(el, attributes, duration,  method) {
      if (el) {
         YAHOO.util.Scroll.superclass.constructor.call(this, el, attributes, duration, method);
      }
   };

   YAHOO.extend(YAHOO.util.Scroll, YAHOO.util.ColorAnim);
   

   var Y = YAHOO.util;
   var superclass = Y.Scroll.superclass;
   var proto = Y.Scroll.prototype;

   proto.toString = function() {
      var el = this.getEl();
      var id = el.id || el.tagName;
      return ("Scroll " + id);
   };
   
   proto.doMethod = function(attr, start, end) {
      var val = null;
   
      if (attr == 'scroll') {
         val = [
            this.method(this.currentFrame, start[0], end[0] - start[0], this.totalFrames),
            this.method(this.currentFrame, start[1], end[1] - start[1], this.totalFrames)
         ];
         
      } else {
         val = superclass.doMethod.call(this, attr, start, end);
      }
      return val;
   };

   proto.getAttribute = function(attr) {
      var val = null;
      var el = this.getEl();
      
      if (attr == 'scroll') {
         val = [ el.scrollLeft, el.scrollTop ];
      } else {
         val = superclass.getAttribute.call(this, attr);
      }
      
      return val;
   };

   proto.setAttribute = function(attr, val, unit) {
      var el = this.getEl();
      
      if (attr == 'scroll') {
         el.scrollLeft = val[0];
         el.scrollTop = val[1];
      } else {
         superclass.setAttribute.call(this, attr, val, unit);
      }
   };
})();

YAHOO.util.DragDrop = function(id, sGroup, config) {
    if (id) {
        this.init(id, sGroup, config); 
    }
};

YAHOO.util.DragDrop.prototype = {
    id: null,
    config: null,
    dragElId: null, 
    handleElId: null, 
    invalidHandleTypes: null, 
    invalidHandleIds: null, 
    invalidHandleClasses: null, 
    startPageX: 0,
    startPageY: 0,
    groups: null,
    locked: false,
    lock: function() { this.locked = true; },
    unlock: function() { this.locked = false; },
    isTarget: true,
    padding: null,
    _domRef: null,
    __ygDragDrop: true,
    constrainX: false,
    constrainY: false,
    minX: 0,
    maxX: 0,
    minY: 0,
    maxY: 0,
    maintainOffset: false,
    xTicks: null,
    yTicks: null,
    primaryButtonOnly: true,
    available: false,
    b4StartDrag: function(x, y) { },
    startDrag: function(x, y) { },
    b4Drag: function(e) { },
    onDrag: function(e) { },
    onDragEnter: function(e, id) { },
    b4DragOver: function(e) { },
    onDragOver: function(e, id) {},
    b4DragOut: function(e) { },
    onDragOut: function(e, id) { },
    b4DragDrop: function(e) { },
    onDragDrop: function(e, id) {  },
    b4EndDrag: function(e) { },
    endDrag: function(e) { },
    b4MouseDown: function(e) {  },
    onMouseDown: function(e) { },
    onMouseUp: function(e) {  },
    onAvailable: function () { 
    },
    getEl: function() { 
        if (!this._domRef) {
            this._domRef = YAHOO.util.Dom.get(this.id); 
        }

        return this._domRef;
    },

    getDragEl: function() {
        return YAHOO.util.Dom.get(this.dragElId);
    },
    init: function(id, sGroup, config) {
        this.initTarget(id, sGroup, config);
        YAHOO.util.Event.addListener(this.id, "mousedown", 
                                          this.handleMouseDown, this, true);
    },

    initTarget: function(id, sGroup, config) {
        this.config = config || {};
        this.DDM = YAHOO.util.DDM;
        this.groups = {};
        this.id = id;
        this.addToGroup((sGroup) ? sGroup : "default");
        this.handleElId = id;
        YAHOO.util.Event.onAvailable(id, this.handleOnAvailable, this, true);
        this.setDragElId(id); 
        this.invalidHandleTypes = { A: "A" };
        this.invalidHandleIds = {};
        this.invalidHandleClasses = [];

        this.applyConfig();
    },
    applyConfig: function() {
        this.padding           = this.config.padding || [0, 0, 0, 0];
        this.isTarget          = (this.config.isTarget !== false);
        this.maintainOffset    = (this.config.maintainOffset);
        this.primaryButtonOnly = (this.config.primaryButtonOnly !== false);

    },
    handleOnAvailable: function() {
        this.available = true;
        this.resetConstraints();
        this.onAvailable();
    },
    setPadding: function(iTop, iRight, iBot, iLeft) {
        // this.padding = [iLeft, iRight, iTop, iBot];
        if (!iRight && 0 !== iRight) {
            this.padding = [iTop, iTop, iTop, iTop];
        } else if (!iBot && 0 !== iBot) {
            this.padding = [iTop, iRight, iTop, iRight];
        } else {
            this.padding = [iTop, iRight, iBot, iLeft];
        }
    },
    setInitPosition: function(diffX, diffY) {
        var el = this.getEl();

        if (!this.DDM.verifyEl(el)) {
            return;
        }

        var dx = diffX || 0;
        var dy = diffY || 0;

        var p = YAHOO.util.Dom.getXY( el );

        this.initPageX = p[0] - dx;
        this.initPageY = p[1] - dy;

        this.lastPageX = p[0];
        this.lastPageY = p[1];


        this.setStartPosition(p);
    },

    setStartPosition: function(pos) {
        var p = pos || YAHOO.util.Dom.getXY( this.getEl() );
        this.deltaSetXY = null;

        this.startPageX = p[0];
        this.startPageY = p[1];
    },
    addToGroup: function(sGroup) {
        this.groups[sGroup] = true;
        this.DDM.regDragDrop(this, sGroup);
    },
    removeFromGroup: function(sGroup) {
        if (this.groups[sGroup]) {
            delete this.groups[sGroup];
        }

        this.DDM.removeDDFromGroup(this, sGroup);
    },
    setDragElId: function(id) {
        this.dragElId = id;
    },

    setHandleElId: function(id) {
        this.handleElId = id;
        this.DDM.regHandle(this.id, id);
    },
    setOuterHandleElId: function(id) {
        YAHOO.util.Event.addListener(id, "mousedown", 
                this.handleMouseDown, this, true);
        this.setHandleElId(id);
    },
    unreg: function() {
        YAHOO.util.Event.removeListener(this.id, "mousedown", 
                this.handleMouseDown);
        this._domRef = null;
        this.DDM._remove(this);
    },
    isLocked: function() {
        return (this.DDM.isLocked() || this.locked);
    },
    handleMouseDown: function(e, oDD) {


        var EU = YAHOO.util.Event;

        var button = e.which || e.button;

        if (this.primaryButtonOnly && button > 1) {
            return;
        }

        if (this.isLocked()) {
            return;
        }

        this.DDM.refreshCache(this.groups);
        var pt = new YAHOO.util.Point(EU.getPageX(e), EU.getPageY(e));
        if ( this.DDM.isOverTarget(pt, this) )  {
            var srcEl = EU.getTarget(e);

            if (this.isValidHandleChild(srcEl) &&
                    (this.id == this.handleElId || 
                     this.DDM.handleWasClicked(srcEl, this.id)) ) {
                this.setStartPosition();
                this.b4MouseDown(e);
                this.onMouseDown(e);
                this.DDM.handleMouseDown(e, this);
                this.DDM.stopEvent(e);
            }
        }
    },
    addInvalidHandleType: function(tagName) {
        var type = tagName.toUpperCase();
        this.invalidHandleTypes[type] = type;
    },
    addInvalidHandleId: function(id) {
        this.invalidHandleIds[id] = id;
    },
    addInvalidHandleClass: function(cssClass) {
        this.invalidHandleClasses.push(cssClass);
    },
    removeInvalidHandleType: function(tagName) {
        var type = tagName.toUpperCase();
        // this.invalidHandleTypes[type] = null;
        delete this.invalidHandleTypes[type];
    },
    removeInvalidHandleId: function(id) {
        delete this.invalidHandleIds[id];
    },
    removeInvalidHandleClass: function(cssClass) {
        for (var i=0, len=this.invalidHandleClasses.length; i<len; ++i) {
            if (this.invalidHandleClasses[i] == cssClass) {
                delete this.invalidHandleClasses[i];
            }
        }
    },
    isValidHandleChild: function(node) {

        var valid = true;
        var nodeName;
        try {
            nodeName = node.nodeName.toUpperCase();
        } catch(e) {
            nodeName = node.nodeName;
        }
        valid = valid && !this.invalidHandleTypes[nodeName];
        valid = valid && !this.invalidHandleIds[node.id];

        for (var i=0, len=this.invalidHandleClasses.length; valid && i<len; ++i) {
            valid = !YAHOO.util.Dom.hasClass(node, this.invalidHandleClasses[i]);
        }


        return valid;

    },
    setXTicks: function(iStartX, iTickSize) {
        this.xTicks = [];
        this.xTickSize = iTickSize;
        
        var tickMap = {};

        for (var i = this.initPageX; i >= this.minX; i = i - iTickSize) {
            if (!tickMap[i]) {
                this.xTicks[this.xTicks.length] = i;
                tickMap[i] = true;
            }
        }

        for (i = this.initPageX; i <= this.maxX; i = i + iTickSize) {
            if (!tickMap[i]) {
                this.xTicks[this.xTicks.length] = i;
                tickMap[i] = true;
            }
        }

        this.xTicks.sort(this.DDM.numericSort) ;
    },
    setYTicks: function(iStartY, iTickSize) {
        this.yTicks = [];
        this.yTickSize = iTickSize;

        var tickMap = {};

        for (var i = this.initPageY; i >= this.minY; i = i - iTickSize) {
            if (!tickMap[i]) {
                this.yTicks[this.yTicks.length] = i;
                tickMap[i] = true;
            }
        }

        for (i = this.initPageY; i <= this.maxY; i = i + iTickSize) {
            if (!tickMap[i]) {
                this.yTicks[this.yTicks.length] = i;
                tickMap[i] = true;
            }
        }

        this.yTicks.sort(this.DDM.numericSort) ;
    },
    setXConstraint: function(iLeft, iRight, iTickSize) {
        this.leftConstraint = iLeft;
        this.rightConstraint = iRight;

        this.minX = this.initPageX - iLeft;
        this.maxX = this.initPageX + iRight;
        if (iTickSize) { this.setXTicks(this.initPageX, iTickSize); }

        this.constrainX = true;
    },
    clearConstraints: function() {
        this.constrainX = false;
        this.constrainY = false;
        this.clearTicks();
    },
    clearTicks: function() {
        this.xTicks = null;
        this.yTicks = null;
        this.xTickSize = 0;
        this.yTickSize = 0;
    },
    setYConstraint: function(iUp, iDown, iTickSize) {
        this.topConstraint = iUp;
        this.bottomConstraint = iDown;

        this.minY = this.initPageY - iUp;
        this.maxY = this.initPageY + iDown;
        if (iTickSize) { this.setYTicks(this.initPageY, iTickSize); }

        this.constrainY = true;
        
    },
    resetConstraints: function() {
        if (this.initPageX || this.initPageX === 0) {
            var dx = (this.maintainOffset) ? this.lastPageX - this.initPageX : 0;
            var dy = (this.maintainOffset) ? this.lastPageY - this.initPageY : 0;
            this.setInitPosition(dx, dy);

        } else {
            this.setInitPosition();
        }

        if (this.constrainX) {
            this.setXConstraint( this.leftConstraint, 
                                 this.rightConstraint, 
                                 this.xTickSize        );
        }

        if (this.constrainY) {
            this.setYConstraint( this.topConstraint, 
                                 this.bottomConstraint, 
                                 this.yTickSize         );
        }
    },
    getTick: function(val, tickArray) {

        if (!tickArray) {
            return val; 
        } else if (tickArray[0] >= val) {

            return tickArray[0];
        } else {
            for (var i=0, len=tickArray.length; i<len; ++i) {
                var next = i + 1;
                if (tickArray[next] && tickArray[next] >= val) {
                    var diff1 = val - tickArray[i];
                    var diff2 = tickArray[next] - val;
                    return (diff2 > diff1) ? tickArray[i] : tickArray[next];
                }
            }
            return tickArray[tickArray.length - 1];
        }
    },
    toString: function() {
        return ("DragDrop " + this.id);
    }

};
if (!YAHOO.util.DragDropMgr) {
    YAHOO.util.DragDropMgr = new function() {
        this.ids = {};
        this.handleIds = {};
        this.dragCurrent = null;
        this.dragOvers = {};
        this.deltaX = 0;
        this.deltaY = 0;
        this.preventDefault = true;
        this.stopPropagation = true;
        this.initalized = false;
        this.locked = false;
        this.init = function() {
            this.initialized = true;
        };
        this.POINT     = 0;
        this.INTERSECT = 1;
        this.mode = this.POINT;
        this._execOnAll = function(sMethod, args) {
            for (var i in this.ids) {
                for (var j in this.ids[i]) {
                    var oDD = this.ids[i][j];
                    if (! this.isTypeOfDD(oDD)) {
                        continue;
                    }
                    oDD[sMethod].apply(oDD, args);
                }
            }
        };
        this._onLoad = function() {
            this.init();
            var EU = YAHOO.util.Event;

            EU.on(document, "mouseup",   this.handleMouseUp, this, true);
            EU.on(document, "mousemove", this.handleMouseMove, this, true);
            EU.on(window,   "unload",    this._onUnload, this, true);
            EU.on(window,   "resize",    this._onResize, this, true);
        };
        this._onResize = function(e) {
            this._execOnAll("resetConstraints", []);
        };
        this.lock = function() { this.locked = true; };
        this.unlock = function() { this.locked = false; };
        this.isLocked = function() { return this.locked; };
        this.locationCache = {};
        this.useCache = true;
        this.clickPixelThresh = 3;
        this.clickTimeThresh = 1000;
        this.dragThreshMet = false;
        this.clickTimeout = null;
        this.startX = 0;
        this.startY = 0;
        this.regDragDrop = function(oDD, sGroup) {
            if (!this.initialized) { this.init(); }
            
            if (!this.ids[sGroup]) {
                this.ids[sGroup] = {};
            }
            this.ids[sGroup][oDD.id] = oDD;
        };

        this.removeDDFromGroup = function(oDD, sGroup) {
            if (!this.ids[sGroup]) {
                this.ids[sGroup] = {};
            }

            var obj = this.ids[sGroup];
            if (obj && obj[oDD.id]) {
                delete obj[oDD.id];
            }
        };
        this._remove = function(oDD) {
            for (var g in oDD.groups) {
                if (g && this.ids[g][oDD.id]) {
                    delete this.ids[g][oDD.id];
                }
            }
            delete this.handleIds[oDD.id];
        };
        this.regHandle = function(sDDId, sHandleId) {
            if (!this.handleIds[sDDId]) {
                this.handleIds[sDDId] = {};
            }
            this.handleIds[sDDId][sHandleId] = sHandleId;
        };
        this.isDragDrop = function(id) {
            return ( this.getDDById(id) ) ? true : false;
        };
        this.getRelated = function(p_oDD, bTargetsOnly) {
            var oDDs = [];
            for (var i in p_oDD.groups) {
                for (j in this.ids[i]) {
                    var dd = this.ids[i][j];
                    if (! this.isTypeOfDD(dd)) {
                        continue;
                    }
                    if (!bTargetsOnly || dd.isTarget) {
                        oDDs[oDDs.length] = dd;
                    }
                }
            }

            return oDDs;
        };
        this.isLegalTarget = function (oDD, oTargetDD) {
            var targets = this.getRelated(oDD, true);
            for (var i=0, len=targets.length;i<len;++i) {
                if (targets[i].id == oTargetDD.id) {
                    return true;
                }
            }

            return false;
        };
        this.isTypeOfDD = function (oDD) {
            return (oDD && oDD.__ygDragDrop);
        };
        this.isHandle = function(sDDId, sHandleId) {
            return ( this.handleIds[sDDId] && 
                            this.handleIds[sDDId][sHandleId] );
        };
        this.getDDById = function(id) {
            for (var i in this.ids) {
                if (this.ids[i][id]) {
                    return this.ids[i][id];
                }
            }
            return null;
        };
        this.handleMouseDown = function(e, oDD) {

            this.currentTarget = YAHOO.util.Event.getTarget(e);

            this.dragCurrent = oDD;

            var el = oDD.getEl();

            // track start position
            this.startX = YAHOO.util.Event.getPageX(e);
            this.startY = YAHOO.util.Event.getPageY(e);

            this.deltaX = this.startX - el.offsetLeft;
            this.deltaY = this.startY - el.offsetTop;

            this.dragThreshMet = false;

            this.clickTimeout = setTimeout( 
                    function() { 
                        var DDM = YAHOO.util.DDM;
                        DDM.startDrag(DDM.startX, DDM.startY); 
                    }, 
                    this.clickTimeThresh );
        };
        this.startDrag = function(x, y) {
            clearTimeout(this.clickTimeout);
            if (this.dragCurrent) {
                this.dragCurrent.b4StartDrag(x, y);
                this.dragCurrent.startDrag(x, y);
            }
            this.dragThreshMet = true;
        };
        this.handleMouseUp = function(e) {

            if (! this.dragCurrent) {
                return;
            }

            clearTimeout(this.clickTimeout);

            if (this.dragThreshMet) {
                this.fireEvents(e, true);
            } else {
            }

            this.stopDrag(e);

            this.stopEvent(e);
        };
        this.stopEvent = function(e) {
            if (this.stopPropagation) {
                YAHOO.util.Event.stopPropagation(e);
            }

            if (this.preventDefault) {
                YAHOO.util.Event.preventDefault(e);
            }
        };
        this.stopDrag = function(e) {
            if (this.dragCurrent) {
                if (this.dragThreshMet) {
                    this.dragCurrent.b4EndDrag(e);
                    this.dragCurrent.endDrag(e);
                }

                this.dragCurrent.onMouseUp(e);
            }

            this.dragCurrent = null;
            this.dragOvers = {};
        };
        this.handleMouseMove = function(e) {
            if (! this.dragCurrent) {
                return true;
            }
            if (YAHOO.util.Event.isIE && !e.button) {
                this.stopEvent(e);
                return this.handleMouseUp(e);
            }

            if (!this.dragThreshMet) {
                var diffX = Math.abs(this.startX - YAHOO.util.Event.getPageX(e));
                var diffY = Math.abs(this.startY - YAHOO.util.Event.getPageY(e));
                if (diffX > this.clickPixelThresh || 
                            diffY > this.clickPixelThresh) {
                    this.startDrag(this.startX, this.startY);
                }
            }

            if (this.dragThreshMet) {
                this.dragCurrent.b4Drag(e);
                this.dragCurrent.onDrag(e);
                this.fireEvents(e, false);
            }

            this.stopEvent(e);

            return true;
        };
        this.fireEvents = function(e, isDrop) {
            var dc = this.dragCurrent;
            if (!dc || dc.isLocked()) {
                return;
            }

            var x = YAHOO.util.Event.getPageX(e);
            var y = YAHOO.util.Event.getPageY(e);
            var pt = new YAHOO.util.Point(x,y);

            var oldOvers = [];

            var outEvts   = [];
            var overEvts  = [];
            var dropEvts  = [];
            var enterEvts = [];

            for (var i in this.dragOvers) {

                var ddo = this.dragOvers[i];

                if (! this.isTypeOfDD(ddo)) {
                    continue;
                }

                if (! this.isOverTarget(pt, ddo, this.mode)) {
                    outEvts.push( ddo );
                }

                oldOvers[i] = true;
                delete this.dragOvers[i];
            }

            for (var sGroup in dc.groups) {
                
                if ("string" != typeof sGroup) {
                    continue;
                }

                for (i in this.ids[sGroup]) {
                    var oDD = this.ids[sGroup][i];
                    if (! this.isTypeOfDD(oDD)) {
                        continue;
                    }

                    if (oDD.isTarget && !oDD.isLocked() && oDD != dc) {
                        if (this.isOverTarget(pt, oDD, this.mode)) {
                            if (isDrop) {
                                dropEvts.push( oDD );
                            } else {

                                if (!oldOvers[oDD.id]) {
                                    enterEvts.push( oDD );
                                } else {
                                    overEvts.push( oDD );
                                }

                                this.dragOvers[oDD.id] = oDD;
                            }
                        }
                    }
                }
            }

            if (this.mode) {
                if (outEvts.length) {
                    dc.b4DragOut(e, outEvts);
                    dc.onDragOut(e, outEvts);
                }

                if (enterEvts.length) {
                    dc.onDragEnter(e, enterEvts);
                }

                if (overEvts.length) {
                    dc.b4DragOver(e, overEvts);
                    dc.onDragOver(e, overEvts);
                }

                if (dropEvts.length) {
                    dc.b4DragDrop(e, dropEvts);
                    dc.onDragDrop(e, dropEvts);
                }

            } else {
                var len = 0;
                for (i=0, len=outEvts.length; i<len; ++i) {
                    dc.b4DragOut(e, outEvts[i].id);
                    dc.onDragOut(e, outEvts[i].id);
                }
                 
                for (i=0,len=enterEvts.length; i<len; ++i) {
                    dc.onDragEnter(e, enterEvts[i].id);
                }

                for (i=0,len=overEvts.length; i<len; ++i) {
                    dc.b4DragOver(e, overEvts[i].id);
                    dc.onDragOver(e, overEvts[i].id);
                }

                for (i=0, len=dropEvts.length; i<len; ++i) {
                    dc.b4DragDrop(e, dropEvts[i].id);
                    dc.onDragDrop(e, dropEvts[i].id);
                }

            }

        };

        this.getBestMatch = function(dds) {
            var winner = null;
            var len = dds.length;

            if (len == 1) {
                winner = dds[0];
            } else {
                for (var i=0; i<len; ++i) {
                    var dd = dds[i];

                    if (dd.cursorIsOver) {
                        winner = dd;
                        break;
                    } else {
                        if (!winner || 
                            winner.overlap.getArea() < dd.overlap.getArea()) {
                            winner = dd;
                        }
                    }
                }
            }

            return winner;
        };
        this.refreshCache = function(groups) {
            for (sGroup in groups) {
                if ("string" != typeof sGroup) {
                    continue;
                }
                for (i in this.ids[sGroup]) {
                    var oDD = this.ids[sGroup][i];

                    if (this.isTypeOfDD(oDD)) {
                    // if (this.isTypeOfDD(oDD) && oDD.isTarget) {
                        var loc = this.getLocation(oDD);
                        if (loc) {
                            this.locationCache[oDD.id] = loc;
                        } else {
                            delete this.locationCache[oDD.id];
                        }
                    }
                }
            }
        };
        this.verifyEl = function(el) {
            try {
                if (el) {
                    var parent = el.offsetParent;
                    if (parent) {
                        return true;
                    }
                }
            } catch(e) {
            }

            return false;
        };
        this.getLocation = function(oDD) {
            if (! this.isTypeOfDD(oDD)) {
                return null;
            }

            var el = oDD.getEl();
            var aPos = null;
            try {
                aPos= YAHOO.util.Dom.getXY(el);
            } catch (e) { }

            if (!aPos) {
                return null;
            }

            x1 = aPos[0];
            x2 = x1 + el.offsetWidth;

            y1 = aPos[1];
            y2 = y1 + el.offsetHeight;

            var t = y1 - oDD.padding[0];
            var r = x2 + oDD.padding[1];
            var b = y2 + oDD.padding[2];
            var l = x1 - oDD.padding[3];

            return new YAHOO.util.Region( t, r, b, l );

        };
        this.isOverTarget = function(pt, oTarget, intersect) {
            // use cache if available
            var loc = this.locationCache[oTarget.id];
            if (!loc || !this.useCache) {
                loc = this.getLocation(oTarget);
                this.locationCache[oTarget.id] = loc;

            }

            if (!loc) {
                return false;
            }

            oTarget.cursorIsOver = loc.contains( pt );

            var dc = this.dragCurrent;
            if (!dc || (!intersect && !dc.constrainX && !dc.constrainY)) {
                return oTarget.cursorIsOver;
            }

            oTarget.overlap = null;
            var pos = dc.getTargetCoord(pt.x, pt.y);

            var el = dc.getDragEl();
            var curRegion = new YAHOO.util.Region( pos.y, 
                                                   pos.x + el.offsetWidth,
                                                   pos.y + el.offsetHeight, 
                                                   pos.x );

            var overlap = curRegion.intersect(loc);

            if (overlap) {
                oTarget.overlap = overlap;
                return (intersect) ? true : oTarget.cursorIsOver;
            } else {
                return false;
            }
        };
        this._onUnload = function(e, me) {
            this.unregAll();
        };
        this.unregAll = function() {

            if (this.dragCurrent) {
                this.stopDrag();
                this.dragCurrent = null;
            }

            this._execOnAll("unreg", []);

            for (i in this.elementCache) {
                delete this.elementCache[i];
            }

            this.elementCache = {};
            this.ids = {};
        };
        this.elementCache = {};
        this.getElWrapper = function(id) {
            var oWrapper = this.elementCache[id];
            if (!oWrapper || !oWrapper.el) {
                oWrapper = this.elementCache[id] = 
                    new this.ElementWrapper(YAHOO.util.Dom.get(id));
            }
            return oWrapper;
        };
        this.getElement = function(id) {
            return YAHOO.util.Dom.get(id);
        };

        this.getCss = function(id) {
            var el = YAHOO.util.Dom.get(id);
            return (el) ? el.style : null;
        };
        this.ElementWrapper = function(el) {
                /**
                 * @private
                 */
                this.el = el || null;
                /**
                 * @private
                 */
                this.id = this.el && el.id;
                /**
                 * @private
                 */
                this.css = this.el && el.style;
            };
        this.getPosX = function(el) {
            return YAHOO.util.Dom.getX(el);
        };
        this.getPosY = function(el) {
            return YAHOO.util.Dom.getY(el); 
        };
        this.swapNode = function(n1, n2) {
            if (n1.swapNode) {
                n1.swapNode(n2);
            } else {
                // the node reference order for the swap is a little tricky. 
                var p = n2.parentNode;
                var s = n2.nextSibling;
                n1.parentNode.replaceChild(n2, n1);
                p.insertBefore(n1,s);
            }
        };
        this.getScroll = function () {
            var t, l;
            if (document.documentElement && document.documentElement.scrollTop) {
                t = document.documentElement.scrollTop;
                l = document.documentElement.scrollLeft;
            } else if (document.body) {
                t = document.body.scrollTop;
                l = document.body.scrollLeft;
            }
            return { top: t, left: l };
        };
        this.getStyle = function(el, styleProp) {
            return YAHOO.util.Dom.getStyle(el, styleProp);
        };
        this.getScrollTop = function () { return this.getScroll().top; };
        this.getScrollLeft = function () { return this.getScroll().left; };
        this.moveToEl = function (moveEl, targetEl) {
            var aCoord = YAHOO.util.Dom.getXY(targetEl);
            YAHOO.util.Dom.setXY(moveEl, aCoord);
        };
        this.getClientHeight = function() {
            return YAHOO.util.Dom.getClientHeight();
        };
        this.getClientWidth = function() {
            return YAHOO.util.Dom.getClientWidth();
        };
        this.numericSort = function(a, b) { return (a - b); };
        this._timeoutCount = 0;
        this._addListeners = function() {
            if ( YAHOO.util.Event && document ) {
                this._onLoad();
            } else {
                if (this._timeoutCount > 1000) {
                } else {
                    var DDM = YAHOO.util.DDM;
                    setTimeout( function() { DDM._addListeners(); }, 10);
                    if (document && document.body) {
                        this._timeoutCount += 1;
                    }
                }
            }
        };

        this.handleWasClicked = function(node, id) {
            if (this.isHandle(id, node.id)) {
                return true;
            } else {
                var p = node.parentNode;

                while (p) {
                    if (this.isHandle(id, p.id)) {
                        return true;
                    } else {
                        p = p.parentNode;
                    }
                }
            }

            return false;
        };

    } ();

    YAHOO.util.DDM = YAHOO.util.DragDropMgr;
    YAHOO.util.DDM._addListeners();

}
YAHOO.util.DD = function(id, sGroup, config) {
    if (id) {
        this.init(id, sGroup, config);
    }
};

YAHOO.extend(YAHOO.util.DD, YAHOO.util.DragDrop);
YAHOO.util.DD.prototype.scroll = true; 
YAHOO.util.DD.prototype.autoOffset = function(iPageX, iPageY) {
    var x = iPageX - this.startPageX;
    var y = iPageY - this.startPageY;
    this.setDelta(x, y);
};
YAHOO.util.DD.prototype.setDelta = function(iDeltaX, iDeltaY) {
    this.deltaX = iDeltaX;
    this.deltaY = iDeltaY;
};

YAHOO.util.DD.prototype.setDragElPos = function(iPageX, iPageY) {

    var el = this.getDragEl();
    this.alignElWithMouse(el, iPageX, iPageY);
};

YAHOO.util.DD.prototype.alignElWithMouse = function(el, iPageX, iPageY) {
    var oCoord = this.getTargetCoord(iPageX, iPageY);

    if (!this.deltaSetXY) {
        var aCoord = [oCoord.x, oCoord.y];
        YAHOO.util.Dom.setXY(el, aCoord);
        var newLeft = parseInt( YAHOO.util.Dom.getStyle(el, "left"), 10 );
        var newTop  = parseInt( YAHOO.util.Dom.getStyle(el, "top" ), 10 );

        this.deltaSetXY = [ newLeft - oCoord.x, newTop - oCoord.y ];

    } else {
        YAHOO.util.Dom.setStyle(el, "left", (oCoord.x + this.deltaSetXY[0]) + "px");
        YAHOO.util.Dom.setStyle(el, "top",  (oCoord.y + this.deltaSetXY[1]) + "px");
    }
    

    this.cachePosition(oCoord.x, oCoord.y);

    this.autoScroll(oCoord.x, oCoord.y, el.offsetHeight, el.offsetWidth);
};
YAHOO.util.DD.prototype.cachePosition = function(iPageX, iPageY) {
    if (iPageX) {
        this.lastPageX = iPageX;
        this.lastPageY = iPageY;
    } else {
        var aCoord = YAHOO.util.Dom.getXY(this.getEl());
        this.lastPageX = aCoord[0];
        this.lastPageY = aCoord[1];
    }
};
YAHOO.util.DD.prototype.autoScroll = function(x, y, h, w) {

    if (this.scroll) {
        var clientH = this.DDM.getClientHeight();
        var clientW = this.DDM.getClientWidth();
        var st = this.DDM.getScrollTop();
        var sl = this.DDM.getScrollLeft();
        var bot = h + y;
        var right = w + x;
        var toBot = (clientH + st - y - this.deltaY);
        var toRight = (clientW + sl - x - this.deltaX);
        var thresh = 40;
        var scrAmt = (document.all) ? 80 : 30;
        if ( bot > clientH && toBot < thresh ) { 
            window.scrollTo(sl, st + scrAmt); 
        }
        if ( y < st && st > 0 && y - st < thresh ) { 
            window.scrollTo(sl, st - scrAmt); 
        }
        if ( right > clientW && toRight < thresh ) { 
            window.scrollTo(sl + scrAmt, st); 
        }
        if ( x < sl && sl > 0 && x - sl < thresh ) { 
            window.scrollTo(sl - scrAmt, st);
        }
    }
};
YAHOO.util.DD.prototype.getTargetCoord = function(iPageX, iPageY) {


    var x = iPageX - this.deltaX;
    var y = iPageY - this.deltaY;

    if (this.constrainX) {
        if (x < this.minX) { x = this.minX; }
        if (x > this.maxX) { x = this.maxX; }
    }

    if (this.constrainY) {
        if (y < this.minY) { y = this.minY; }
        if (y > this.maxY) { y = this.maxY; }
    }

    x = this.getTick(x, this.xTicks);
    y = this.getTick(y, this.yTicks);


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

YAHOO.util.DD.prototype.applyConfig = function() {
    YAHOO.util.DD.superclass.applyConfig.call(this);
    this.scroll = (this.config.scroll !== false);
};

YAHOO.util.DD.prototype.b4MouseDown = function(e) {
    this.autoOffset(YAHOO.util.Event.getPageX(e), 
                        YAHOO.util.Event.getPageY(e));
};

YAHOO.util.DD.prototype.b4Drag = function(e) {
    this.setDragElPos(YAHOO.util.Event.getPageX(e), 
                        YAHOO.util.Event.getPageY(e));
};

YAHOO.util.DD.prototype.toString = function() {
    return ("DD " + this.id);
};
YAHOO.util.DDProxy = function(id, sGroup, config) {
    if (id) {
        this.init(id, sGroup, config);
        this.initFrame(); 
    }
};

YAHOO.extend(YAHOO.util.DDProxy, YAHOO.util.DD);
YAHOO.util.DDProxy.dragElId = "ygddfdiv";
YAHOO.util.DDProxy.prototype.resizeFrame = true;
YAHOO.util.DDProxy.prototype.centerFrame = false;
YAHOO.util.DDProxy.prototype.createFrame = function() {
    var self = this;
    var body = document.body;

    if (!body || !body.firstChild) {
        setTimeout( function() { self.createFrame(); }, 50 );
        return;
    }

    var div = this.getDragEl();

    if (!div) {
        div    = document.createElement("div");
        div.id = this.dragElId;
        var s  = div.style;

        s.position   = "absolute";
        s.visibility = "hidden";
        s.cursor     = "move";
        s.border     = "2px solid #aaa";
        s.zIndex     = 999;
        body.insertBefore(div, body.firstChild);
    }
};

YAHOO.util.DDProxy.prototype.initFrame = function() {
    this.createFrame();

};

YAHOO.util.DDProxy.prototype.applyConfig = function() {
    YAHOO.util.DDProxy.superclass.applyConfig.call(this);

    this.resizeFrame = (this.config.resizeFrame !== false);
    this.centerFrame = (this.config.centerFrame);
    this.setDragElId(this.config.dragElId || YAHOO.util.DDProxy.dragElId);

};
YAHOO.util.DDProxy.prototype.showFrame = function(iPageX, iPageY) {
    var el = this.getEl();
    var dragEl = this.getDragEl();
    var s = dragEl.style;

    this._resizeProxy();

    if (this.centerFrame) {
        this.setDelta( Math.round(parseInt(s.width,  10)/2), 
                       Math.round(parseInt(s.height, 10)/2) );
    }

    this.setDragElPos(iPageX, iPageY);

    YAHOO.util.Dom.setStyle(dragEl, "visibility", "visible"); 
};

YAHOO.util.DDProxy.prototype._resizeProxy = function() {
    var DOM    = YAHOO.util.Dom;
    var el     = this.getEl();
    var dragEl = this.getDragEl();

    if (this.resizeFrame) {
        var bt = parseInt( DOM.getStyle(dragEl, "borderTopWidth"    ), 10);
        var br = parseInt( DOM.getStyle(dragEl, "borderRightWidth"  ), 10);
        var bb = parseInt( DOM.getStyle(dragEl, "borderBottomWidth" ), 10);
        var bl = parseInt( DOM.getStyle(dragEl, "borderLeftWidth"   ), 10);

        if (isNaN(bt)) { bt = 0; }
        if (isNaN(br)) { br = 0; }
        if (isNaN(bb)) { bb = 0; }
        if (isNaN(bl)) { bl = 0; }


        var newWidth  = el.offsetWidth - br - bl;
        var newHeight = el.offsetHeight - bt - bb;


        DOM.setStyle( dragEl, "width",  newWidth  + "px" );
        DOM.setStyle( dragEl, "height", newHeight + "px" );
    }
};

YAHOO.util.DDProxy.prototype.b4MouseDown = function(e) {
    var x = YAHOO.util.Event.getPageX(e);
    var y = YAHOO.util.Event.getPageY(e);
    this.autoOffset(x, y);
    this.setDragElPos(x, y);
};

YAHOO.util.DDProxy.prototype.b4StartDrag = function(x, y) {
    this.showFrame(x, y);
};

YAHOO.util.DDProxy.prototype.b4EndDrag = function(e) {
    YAHOO.util.Dom.setStyle(this.getDragEl(), "visibility", "hidden"); 
};

YAHOO.util.DDProxy.prototype.endDrag = function(e) {
    var DOM = YAHOO.util.Dom;
    var lel = this.getEl();
    var del = this.getDragEl();
    DOM.setStyle(del, "visibility", ""); 
    DOM.setStyle(lel, "visibility", "hidden"); 
    YAHOO.util.DDM.moveToEl(lel, del);
    DOM.setStyle(del, "visibility", "hidden"); 
    DOM.setStyle(lel, "visibility", ""); 
};

YAHOO.util.DDProxy.prototype.toString = function() {
    return ("DDProxy " + this.id);
};
 
YAHOO.util.DDTarget = function(id, sGroup, config) {
    if (id) {
        this.initTarget(id, sGroup, config);
    }
};

YAHOO.extend(YAHOO.util.DDTarget, YAHOO.util.DragDrop);

YAHOO.util.DDTarget.prototype.toString = function() {
    return ("DDTarget " + this.id);
};


YAHOO.util.Key = new function() {
	this.DOM_VK_UNDEFINED               = 0x0;
	this.DOM_VK_RIGHT_ALT               = 0x12;
	this.DOM_VK_LEFT_ALT                = 0x12;
	this.DOM_VK_LEFT_CONTROL            = 0x11;
	this.DOM_VK_RIGHT_CONTROL           = 0x11;
	this.DOM_VK_LEFT_SHIFT              = 0x10;
	this.DOM_VK_RIGHT_SHIFT             = 0x10;
	this.DOM_VK_META                    = 0x9D;
	this.DOM_VK_BACK_SPACE              = 0x08;
	this.DOM_VK_CAPS_LOCK               = 0x14;
	this.DOM_VK_DELETE                  = 0x7F;
	this.DOM_VK_END                     = 0x23;
	this.DOM_VK_ENTER                   = 0x0D;
	this.DOM_VK_ESCAPE                  = 0x1B;
	this.DOM_VK_HOME                    = 0x24;
	this.DOM_VK_NUM_LOCK                = 0x90;
	this.DOM_VK_PAUSE                   = 0x13;
	this.DOM_VK_PRINTSCREEN             = 0x9A;
	this.DOM_VK_SCROLL_LOCK             = 0x91;
	this.DOM_VK_SPACE                   = 0x20;
	this.DOM_VK_TAB                     = 0x09;
	this.DOM_VK_LEFT                    = 0x25;
	this.DOM_VK_RIGHT                   = 0x27;
	this.DOM_VK_UP                      = 0x26;
	this.DOM_VK_DOWN                    = 0x28;
	this.DOM_VK_PAGE_DOWN               = 0x22;
	this.DOM_VK_PAGE_UP                 = 0x21;
};
YAHOO.widget.Slider = function(sElementId, sGroup, oThumb, sType) {
	if (sElementId) {
        this.type = sType;
		this.init(sElementId, sGroup, true);
		var self = this;
		this.thumb = oThumb;
		oThumb.onChange = function() { 
			self.onThumbChange(); 
		};
		this.isTarget = false;

		this.animate = YAHOO.widget.Slider.ANIM_AVAIL;

        this.backgroundEnabled = true;

		this.tickPause = 40;
		if (oThumb._isHoriz && oThumb.xTicks && oThumb.xTicks.length) {
			this.tickPause = Math.round(360 / oThumb.xTicks.length);
		} else if (oThumb.yTicks && oThumb.yTicks.length) {
			this.tickPause = Math.round(360 / oThumb.yTicks.length);
		}

		oThumb.onMouseDown = function () { return self.focus(); };
		oThumb.onMouseUp = function() { self.thumbMouseUp(); };
		oThumb.onDrag = function() { self.fireEvents(); };
		oThumb.onAvailable = function() { return self.setStartSliderState(); };
	}
};

YAHOO.extend(YAHOO.widget.Slider, YAHOO.util.DragDrop);

YAHOO.widget.Slider.getHorizSlider = 
	function (sBGElId, sHandleElId, iLeft, iRight, iTickSize) {
		return new YAHOO.widget.Slider(sBGElId, sBGElId, 
			new YAHOO.widget.SliderThumb(sHandleElId, sBGElId, 
							   iLeft, iRight, 0, 0, iTickSize), "horiz");
};

YAHOO.widget.Slider.getVertSlider = 
	function (sBGElId, sHandleElId, iUp, iDown, iTickSize) {
		return new YAHOO.widget.Slider(sBGElId, sBGElId, 
			new YAHOO.widget.SliderThumb(sHandleElId, sBGElId, 0, 0, 
							   iUp, iDown, iTickSize), "vert");
};

YAHOO.widget.Slider.getSliderRegion = 
	function (sBGElId, sHandleElId, iLeft, iRight, iUp, iDown, iTickSize) {
		return new YAHOO.widget.Slider(sBGElId, sBGElId, 
			new YAHOO.widget.SliderThumb(sHandleElId, sBGElId, iLeft, iRight, 
							   iUp, iDown, iTickSize), "region");
};

YAHOO.widget.Slider.ANIM_AVAIL = false;

YAHOO.widget.Slider.prototype.setStartSliderState = function() {


    this.setThumbCenterPoint();
    this.baselinePos = YAHOO.util.Dom.getXY(this.getEl());

    this.thumb.startOffset = this.thumb.getOffsetFromParent(this.baselinePos);

    if (this.thumb._isRegion) {
        if (this.deferredSetRegionValue) {
            this.setRegionValue.apply(this, this.deferredSetRegionValue, true);
        } else {
            this.setRegionValue(0, 0, true);
        }
    } else {
        if (this.deferredSetValue) {
            this.setValue.apply(this, this.deferredSetValue, true);
        } else {
            this.setValue(0, true, true);
        }
    }
};

YAHOO.widget.Slider.prototype.setThumbCenterPoint = function() {

    var el = this.thumb.getEl();

    if (el) {
        this.thumbCenterPoint = { 
                x: parseInt(el.offsetWidth/2, 10), 
                y: parseInt(el.offsetHeight/2, 10) 
        };
    }

};

YAHOO.widget.Slider.prototype.lock = function() {
	this.thumb.lock();
	this.locked = true;
};

YAHOO.widget.Slider.prototype.unlock = function() {
	this.thumb.unlock();
	this.locked = false;
};

YAHOO.widget.Slider.prototype.thumbMouseUp = function() {
    if (!this.isLocked() && !this.moveComplete) {
	    this.endMove();
	    this.onDragEnd();
	    YAHOO.widget.Slider.userIsActing = false;
    }

};

YAHOO.widget.Slider.prototype.getThumb = function() {
    return this.thumb;
};

YAHOO.widget.Slider.prototype.focus = function() {
YAHOO.widget.Slider.userIsActing = true;
    var el = this.getEl();

    if (el.focus) {
        el.focus();
    }

    this.verifyOffset();

    if (this.isLocked()) {
        return false;
    } else {
        this.onSlideStart();
	    return true;
    }
};

YAHOO.widget.Slider.prototype.onChange = function (firstOffset, secondOffset) { 
};
YAHOO.widget.Slider.prototype.onSlideStart = function () { 
};
YAHOO.widget.Slider.prototype.onSlideEnd = function () { 
};
YAHOO.widget.Slider.prototype.onDragEnd = function () { 
};
YAHOO.widget.Slider.userIsActing = false;
YAHOO.widget.Slider.prototype.userActing = function () { 
	if (YAHOO.widget.Slider.userIsActing) {
		return true;
	}
	else return false;
};

YAHOO.widget.Slider.prototype.getValue = function () { 
	return this.thumb.getValue();
};
YAHOO.widget.Slider.prototype.getScaledValue = function (realLength) { 
	return Math.round(realLength / this.thumb._sliderLength * this.thumb.getValue());
};
YAHOO.widget.Slider.prototype.getXValue = function () { 
	return this.thumb.getXValue();
};

YAHOO.widget.Slider.prototype.getYValue = function () { 
	return this.thumb.getYValue();
};

YAHOO.widget.Slider.prototype.onThumbChange = function () { 
	YAHOO.widget.Slider.userIsActing = true;
	var t = this.thumb;
	if (t._isRegion) {
		t.onChange(t.getXValue(), t.getYValue());
	} else {
		t.onChange(t.getValue());
	}

};
YAHOO.widget.Slider.prototype.setValue = function(newOffset, skipAnim, force, isScaled, realLength) {
    if (!this.thumb.available) {
        this.deferredSetValue = arguments;
        return false;
    }

    if (this.isLocked() && !force) {
        return false;
    }

	if ( isNaN(newOffset) ) {
		return false;
	}
	
	if (isScaled){
		if ( isNaN(realLength) ){
			return false;	
		}
		else if (realLength < 1){
			return false;
		}
		else {
			newOffset = Math.round(newOffset * this.thumb._sliderLength / realLength);
		}
	}

	var t = this.thumb;
	var newX, newY;
        this.verifyOffset();
    	
    	
    	
	if (t._isRegion) {
        	return false;
	} else if (t._isHoriz) {
        	this.onSlideStart();
		newX = t.initPageX + newOffset + this.thumbCenterPoint.x;
		this.moveThumb(newX, t.initPageY, skipAnim);
	} else {
        	this.onSlideStart();
		newY = t.initPageY + newOffset + this.thumbCenterPoint.y;
		this.moveThumb(t.initPageX, newY, skipAnim);
	}

	return true;
};

YAHOO.widget.Slider.prototype.setRegionValue = function(newOffset, newOffset2, skipAnim) {

    if (!this.thumb.available) {
        this.deferredSetRegionValue = arguments;
        return false;
    }

    if (this.isLocked() && !force) {
        return false;
    }

	if ( isNaN(newOffset) ) {
		return false;
	}

	var t = this.thumb;
	if (t._isRegion) {
        this.onSlideStart();
		var newX = t.initPageX + newOffset + this.thumbCenterPoint.x;
		var newY = t.initPageY + newOffset2 + this.thumbCenterPoint.y;
		this.moveThumb(newX, newY, skipAnim);
	    return true;
	}

    return false;

};

YAHOO.widget.Slider.prototype.verifyOffset = function() {

    var newPos = YAHOO.util.Dom.getXY(this.getEl());

    if (newPos[0] != this.baselinePos[0] || newPos[1] != this.baselinePos[1]) {
        this.thumb.resetConstraints();
        this.baselinePos = newPos;
        return false;
    }

    return true;
};

YAHOO.widget.Slider.prototype.moveThumb = function(x, y, skipAnim, fireOnDragEnd) {
	var t = this.thumb;
	var self = this;

	if (!t.available) {
        	return;
	}
    
	t.setDelta(this.thumbCenterPoint.x, this.thumbCenterPoint.y);

	var _p = t.getTargetCoord(x, y);
	var p = [_p.x, _p.y];

	if (this.animate && YAHOO.widget.Slider.ANIM_AVAIL && t._graduated && !skipAnim) {

		setTimeout( function() { self.moveOneTick(p); }, this.tickPause );

	} else if (this.animate && YAHOO.widget.Slider.ANIM_AVAIL && !skipAnim) {

		var oAnim = new YAHOO.util.Motion( 
                t.id, { points: { to: p } }, 0.4, YAHOO.util.Easing.easeOut );

		oAnim.onComplete.subscribe( function() {
			self.endMove(); 
			if (fireOnDragEnd) self.onDragEnd();
			YAHOO.widget.Slider.userIsActing = false;
			}
		);
		oAnim.animate();
	} else {
		t.setDragElPos(x, y);
		this.endMove();
		if (fireOnDragEnd) {
			self.onDragEnd();
			YAHOO.widget.Slider.userIsActing = false;
		}
	}
	
	
};

YAHOO.widget.Slider.prototype.moveOneTick = function(finalCoord) {

	var t = this.thumb;
	var curCoord = YAHOO.util.Dom.getXY(t.getEl());
	var tmp;
	var nextCoord = null;

	if (t._isRegion) {
        nextCoord = this._getNextX(curCoord, finalCoord);
		var tmpX = (nextCoord) ? nextCoord[0] : curCoord[0];
        nextCoord = this._getNextY([tmpX, curCoord[1]], finalCoord);

	} else if (t._isHoriz) {
        nextCoord = this._getNextX(curCoord, finalCoord);
	} else {
        nextCoord = this._getNextY(curCoord, finalCoord);
	}


	if (nextCoord) {
        this.thumb.alignElWithMouse(t.getEl(), nextCoord[0], nextCoord[1]);
		if (!(nextCoord[0] == finalCoord[0] && nextCoord[1] == finalCoord[1])) {
			var self = this;
			setTimeout(function() { self.moveOneTick(finalCoord); }, 
					this.tickPause);
		} else {
            this.endMove();
		}
	} else {
        this.endMove();
	}

};

YAHOO.widget.Slider.prototype._getNextX = function(curCoord, finalCoord) {
    var t = this.thumb;
    var thresh;
    var tmp = [];
    var nextCoord = null;
    if (curCoord[0] > finalCoord[0]) {
        thresh = t.tickSize - this.thumbCenterPoint.x;
        tmp = t.getTargetCoord( curCoord[0] - thresh, curCoord[1] );
        nextCoord = [tmp.x, tmp.y];
    } else if (curCoord[0] < finalCoord[0]) {
        thresh = t.tickSize + this.thumbCenterPoint.x;
        tmp = t.getTargetCoord( curCoord[0] + thresh, curCoord[1] );
        nextCoord = [tmp.x, tmp.y];
    } else {
    }

    return nextCoord;
};

YAHOO.widget.Slider.prototype._getNextY = function(curCoord, finalCoord) {
    var t = this.thumb;
    var thresh;
    var tmp = [];
    var nextCoord = null;

    if (curCoord[1] > finalCoord[1]) {
        thresh = t.tickSize - this.thumbCenterPoint.y;
        tmp = t.getTargetCoord( curCoord[0], curCoord[1] - thresh );
        nextCoord = [tmp.x, tmp.y];
    } else if (curCoord[1] < finalCoord[1]) {
        thresh = t.tickSize + this.thumbCenterPoint.y;
        tmp = t.getTargetCoord( curCoord[0], curCoord[1] + thresh );
        nextCoord = [tmp.x, tmp.y];
    } else {
    }

    return nextCoord;
};

YAHOO.widget.Slider.prototype.b4MouseDown = function(e) {
    this.thumb.autoOffset();
    this.thumb.resetConstraints();
};

YAHOO.widget.Slider.prototype.onMouseDown = function(e) {
    YAHOO.widget.Slider.userIsActing = true;
	if (! this.isLocked() && this.backgroundEnabled) {
		var x = YAHOO.util.Event.getPageX(e);
		var y = YAHOO.util.Event.getPageY(e);

		this.focus();
		
		this.moveThumb(x, y, false, true);
	}
	
};

YAHOO.widget.Slider.prototype.onDrag = function(e) {
	YAHOO.widget.Slider.userIsActing = true;
	if (! this.isLocked()) {
		var x = YAHOO.util.Event.getPageX(e);
		var y = YAHOO.util.Event.getPageY(e);
		this.moveThumb(x, y, true);
	}
};

YAHOO.widget.Slider.prototype.endMove = function () {
	// this._animating = false;
	this.unlock();
	this.moveComplete = true;
	this.fireEvents();
};

YAHOO.widget.Slider.prototype.fireEvents = function () {
	var t = this.thumb;

	t.cachePosition();

	if (! this.isLocked()) {
		if (t._isRegion) {
			var newX = t.getXValue();
			var newY = t.getYValue();

			if (newX != this.previousX || newY != this.previousY) {
				this.onChange( newX, newY );
			}

			this.previousX = newX;
			this.previousY = newY;

		} else {
			var newVal = t.getValue();
			if (newVal != this.previousVal) {
				this.onChange( newVal );
			}
			this.previousVal = newVal;
		}

		if (this.moveComplete) {
			this.onSlideEnd();
			this.moveComplete = false;
		}

	}
};

YAHOO.widget.Slider.prototype.toString = function () { 
    return ("Slider (" + this.type +") " + this.id);
};

YAHOO.widget.SliderThumb = function(id, sGroup, iLeft, iRight, iUp, iDown, iTickSize) {

	if (id) {
		this.init(id, sGroup);
        this.parentElId = sGroup;
	}
	this.isTarget = false;
	this.tickSize = iTickSize;
	    this.maintainOffset = true;

	this.initSlider(iLeft, iRight, iUp, iDown, iTickSize);

    this.scroll = false;

};

YAHOO.extend(YAHOO.widget.SliderThumb, YAHOO.util.DD);
YAHOO.widget.SliderThumb.prototype.getOffsetFromParent = function(parentPos) {
    var myPos = YAHOO.util.Dom.getXY(this.getEl());
    var ppos  = parentPos || YAHOO.util.Dom.getXY(this.parentElId);

    return [ (myPos[0] - ppos[0]), (myPos[1] - ppos[1]) ];
};

YAHOO.widget.SliderThumb.prototype.startOffset = null;
YAHOO.widget.SliderThumb.prototype._isHoriz = false;
YAHOO.widget.SliderThumb.prototype._prevVal = 0;
YAHOO.widget.SliderThumb.prototype._graduated = false;
YAHOO.widget.SliderThumb.prototype.initSlider = function (iLeft, iRight, iUp, iDown, 
		iTickSize) {

	this.setXConstraint(iLeft, iRight, iTickSize);
	this.setYConstraint(iUp, iDown, iTickSize);

	if (iTickSize && iTickSize > 1) {
		this._graduated = true;
	}

	this._isHoriz = (iLeft > 0 || iRight > 0); 
	this._isVert   = (iUp > 0 ||  iDown > 0);
	this._isRegion = (this._isHoriz && this._isVert); 
	this._sliderLength = iRight - iLeft;
};

YAHOO.widget.SliderThumb.prototype.clearTicks = function () {
    YAHOO.widget.SliderThumb.superclass.clearTicks.call(this);
    this._graduated = false;
};
YAHOO.widget.SliderThumb.prototype.getValue = function () {
    if (!this.available) { return 0; }
    var val = (this._isHoriz) ? this.getXValue() : this.getYValue();
    return val;
};
YAHOO.widget.SliderThumb.prototype.getXValue = function () {
    if (!this.available) { return 0; }
    var newOffset = this.getOffsetFromParent();
	return (newOffset[0] - this.startOffset[0]);
};
YAHOO.widget.SliderThumb.prototype.getYValue = function () {
    if (!this.available) { return 0; }
    var newOffset = this.getOffsetFromParent();
	return (newOffset[1] - this.startOffset[1]);
};
YAHOO.widget.SliderThumb.prototype.toString = function () { 
    return "SliderThumb " + this.id;
};
YAHOO.widget.SliderThumb.prototype.onChange = function (x, y) { };

if ("undefined" == typeof YAHOO.util.Anim) {
	YAHOO.widget.Slider.ANIM_AVAIL = false;
}
function imageholderclass(){
	this.over=new Array();
	this.down=new Array();
	this.src=new Array();
	this.store=store;
	
	function store(src, down, over){
		var AL=this.src.length;
		this.src[AL]=new Image(); this.src[AL].src=src;
		this.over[AL]=new Image(); this.over[AL].src=over;
		this.down[AL]=new Image(); this.down[AL].src=down;
	}
}

var ih = new imageholderclass();
var mouseisdown=0;

function preloader(t){
	for(i=0;i<t.length;i++){
		if(t[i].getAttribute('srcover')||t[i].getAttribute('srcdown')){
			
			storeimages(t[i]);
			var checker='';
			checker=(t[i].getAttribute('srcover'))?checker+'A':checker+'';
			checker=(t[i].getAttribute('srcdown'))?checker+'B':checker+'';
			
			switch(checker){
			case 'A' : mouseover(t[i]);mouseout(t[i]); break;
			case 'B' : mousedown(t[i]); mouseup2(t[i]); break;
			case 'AB' : mouseover(t[i]);mouseout(t[i]); mousedown(t[i]); mouseup(t[i]); break;
			default : return;			
			}
			
			if(t[i].src){t[i].setAttribute("oldsrc",t[i].src);}
		}
	}
}
function mouseup(t){
	var newmouseup;
	if(t.onmouseup){
		t.oldmouseup=t.onmouseup;
		newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");this.oldmouseup();}

	}
	else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("srcover");}}
	t.onmouseup=newmouseup;
}

function mouseup2(t){
	var newmouseup;
	if(t.onmouseup){
		t.oldmouseup=t.onmouseup;
		newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");this.oldmouseup();}
		}
	else{newmouseup=function(){mouseisdown=0;this.src=this.getAttribute("oldsrc");}}
	t.onmouseup = newmouseup;
}

function mousedown(t){
	var newmousedown;
	if(t.onmousedown){
		t.oldmousedown=t.onmousedown;
		newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");this.oldmousedown();}}
	}
	else{newmousedown=function(){if(mouseisdown==0){this.src=this.getAttribute("srcdown");}}}
	t.onmousedown=newmousedown;
}

function mouseover(t){
	var newmouseover;
	if(t.onmouseover){
		t.oldmouseover=t.onmouseover;
		newmouseover=function(){this.src=this.getAttribute("srcover");this.oldmouseover();}
	}
	else{newmouseover=function(){this.src=this.getAttribute("srcover");}}
	t.onmouseover=newmouseover;
}

function mouseout(t){
	var newmouseout;
	if(t.onmouseout){
		t.oldmouseout=t.onmouseout;
		newmouseout=function(){this.src=this.getAttribute("oldsrc");this.oldmouseout();}
	}
	else{newmouseout=function(){this.src=this.getAttribute("oldsrc");}}
	t.onmouseout=newmouseout;
}

function storeimages(t){
	var s=(t.getAttribute('src'))?t.getAttribute('src'):'';
	var d=(t.getAttribute('srcdown'))?t.getAttribute('srcdown'):'';
	var o=(t.getAttribute('srcover'))?t.getAttribute('srcover'):'';
	ih.store(s,d,o);
}

function preloadimgsrc(){
	if(!document.getElementById) return;
	var it=document.getElementsByTagName('IMG');
	var it2=document.getElementsByTagName('INPUT');
	preloader(it);
	preloader(it2);
}

if(window.addEventListener){window.addEventListener("load", preloadimgsrc, false);} 
else{
	if(window.attachEvent){window.attachEvent("onload", preloadimgsrc);}
	else{if(document.getElementById){window.onload=preloadimgsrc;}}
}