/*
 * Base class for animated DOM objects.
 * Copyright (c) 2006 Yahoo! Inc. All rights reserved.
 * version 0.9.0
 */

/**
 * @class The Yahoo global namespace
 */
var YAHOO = function() {
    return {
        util: {},
        widget: {},
        example: {},
        namespace: function( sNameSpace ) {
            if (!sNameSpace || !sNameSpace.length) {return null }
            var levels = sNameSpace.split(".");
            var currentNS = YAHOO;
            for (var i=(levels[0] == "YAHOO") ? 1 : 0; i<levels.length; ++i) {
                currentNS[levels[i]] = currentNS[levels[i]] || {};
                currentNS = currentNS[levels[i]];
            }
            return currentNS;
        }
    };
} ();



/*
 * Base class for animated DOM objects.
 */

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

YAHOO.util.Anim.prototype = {
   doMethod: function(attribute, start, end) {
      return this.method(this.currentFrame, start, end - start, this.totalFrames);
   },
   setAttribute: function(attribute, val, unit) {
      YAHOO.util.Dom.setStyle(this.getEl(), attribute, val + unit);
   },
   getAttribute: function(attribute) {
      return parseFloat( YAHOO.util.Dom.getStyle(this.getEl(), attribute));
   },
   defaultUnits: {
      opacity: ' '
   },
   defaultUnit: 'px',
   init: function(el, attributes, duration, method) {
      var isAnimated = false;
      var startTime = null;
      var endTime = null;
      var actualFrames = 0;
      var defaultValues = {};
      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.setDefault = function(attribute, val) {
         if ( val == 'auto' ) { // if 'auto' set defaults for well known attributes, zero for others
            switch(attribute) {
               case'width':
                  val = el.clientWidth || el.offsetWidth; // computed width
                  break;
               case 'height':
                  val = el.clientHeight || el.offsetHeight; // computed height
                  break;
               case 'left':
                  if (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute') {
                     val = el.offsetLeft; // computed left
                  } else {
                     val = 0;
                  }
                  break;
               case 'top':
                  if (YAHOO.util.Dom.getStyle(el, 'position') == 'absolute') {
                     val = el.offsetTop; // computed top
                  } else {
                     val = 0;
                  }
                  break;
               default:
                  val = 0;
            }
         }

         defaultValues[attribute] = val;
      }

      this.getDefault = function(attribute) {
         return defaultValues[attribute];
      };
      this.isAnimated = function() {
         return isAnimated;
      };
      this.getStartTime = function() {
         return startTime;
      };
      this.animate = function() {
         this.onStart.fire();
         this._onStart.fire();

         this.totalFrames = ( this.useSeconds ) ? Math.ceil(YAHOO.util.AnimMgr.fps * this.duration) : this.duration;
         YAHOO.util.AnimMgr.registerElement(this);
         var attributes = this.attributes;
         var el = this.getEl();
         var val;

         for (var attribute in attributes) {
            val = this.getAttribute(attribute);
            this.setDefault(attribute, val);
         }

         isAnimated = true;
         actualFrames = 0;
         startTime = new Date();
      };

      this.stop = function() {
         this.currentFrame = 0;

         endTime = new Date();

         var data = {
            time: endTime,
            duration: endTime - startTime,
            frames: actualFrames,
            fps: actualFrames / this.duration
         };

         isAnimated = false;
         actualFrames = 0;

         this.onComplete.fire(data);
      };

      var onTween = function() {
         var start;
         var end = null;
         var val;
         var unit;
         var attributes = this['attributes'];

         for (var attribute in attributes) {
            unit = attributes[attribute]['unit'] || this.defaultUnits[attribute] || this.defaultUnit;

            if (typeof attributes[attribute]['from'] != 'undefined') {
               start = attributes[attribute]['from'];
            } else {
               start = this.getDefault(attribute);
            }

            if (typeof attributes[attribute]['to'] != 'undefined') {
               end = attributes[attribute]['to'];
            } else if (typeof attributes[attribute]['by'] != 'undefined') {
               end = start + attributes[attribute]['by'];
            }

            if (end !== null && typeof end != 'undefined') {
               val = this.doMethod(attribute, start, end);
               if ( (attribute == 'width' || attribute == 'height' || attribute == 'opacity') && val < 0 ) {
                  val = 0;
               }
               this.setAttribute(attribute, val, unit);
            }
         }

         actualFrames += 1;
      };

      this._onStart = new YAHOO.util.CustomEvent('_onStart', this);
      this.onStart = new YAHOO.util.CustomEvent('start', this);
      this.onTween = new YAHOO.util.CustomEvent('tween', this);
      this._onTween = new YAHOO.util.CustomEvent('_tween', this);
      this.onComplete = new YAHOO.util.CustomEvent('complete', this);
      this._onTween.subscribe(onTween);
   }
};

YAHOO.util.AnimMgr = new function() {
   var thread = null;
   var queue = [];
   var tweenCount = 0;
   this.fps = 200;
   this.delay = 1;
   this.registerElement = function(tween) {
      if ( tween.isAnimated() ) { return false; }// but not if already animating

      queue[queue.length] = tween;
      tweenCount += 1;

      this.start();
   };
   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()) {
               queue[i].stop();
            }
         }
         queue = [];
         thread = null;
         tweenCount = 0;
      }
      else {
         tween.stop();
         tweenCount -= 1;

         if (tweenCount <= 0) { this.stop(); }
      }
   };

   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();
            tween._onTween.fire();
         }
         else { YAHOO.util.AnimMgr.stop(tween); }
      }
   };

   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) { // check if falling behind
         tweak = Math.round((elapsed / expected - 1) * tween.currentFrame);
      } else { // went over duration, so jump to end
         tweak = frames - (frame + 1);
      }
      if (tweak > 0 && isFinite(tweak)) { // adjust if needed
         if (tween.currentFrame + tweak >= frames) {// dont go past last frame
            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]]; // save input
      }

      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] ];

   };
};

YAHOO.util.Easing = new function() {
   this.easeNone = function(t, b, c, d) {
	return b+c*(t/=d);
   };

   this.easeIn = function(t, b, c, d) {
   	return b+c*((t/=d)*t*t);
   };
   this.easeOut = function(t, b, c, d) {
   	var ts=(t/=d)*t;
   	var tc=ts*t;
   	return b+c*(tc + -3*ts + 3*t);
   };

   this.easeBoth = function(t, b, c, d) {
   	var ts=(t/=d)*t;
   	var tc=ts*t;
   	return b+c*(-2*tc + 3*ts);
   };

   this.backIn = function(t, b, c, d) {
   	var ts=(t/=d)*t;
   	var tc=ts*t;
   	return b+c*(-3.4005*tc*ts + 10.2*ts*ts + -6.2*tc + 0.4*ts);
   };

   this.backOut = function(t, b, c, d) {
   	var ts=(t/=d)*t;
   	var tc=ts*t;
   	return b+c*(8.292*tc*ts + -21.88*ts*ts + 22.08*tc + -12.69*ts + 5.1975*t);
   };

   this.backBoth = function(t, b, c, d) {
   	var ts=(t/=d)*t;
   	var tc=ts*t;
   	return b+c*(0.402*tc*ts + -2.1525*ts*ts + -3.2*tc + 8*ts + -2.05*t);
   };
};

YAHOO.util.Motion = function(el, attributes, duration, method) {
   if (el) {
      this.initMotion(el, attributes, duration, method);
   }
};

YAHOO.util.Motion.prototype = new YAHOO.util.Anim();

YAHOO.util.Motion.prototype.defaultUnits.points = 'px';

YAHOO.util.Motion.prototype.doMethod = function(attribute, start, end) {
   var val = null;

   if (attribute == 'points') {
      var translatedPoints = this.getTranslatedPoints();
      var t = this.method(this.currentFrame, 0, 100, this.totalFrames) / 100;

      if (translatedPoints) {
         val = YAHOO.util.Bezier.getPosition(translatedPoints, t);
      }

   } else {
      val = this.method(this.currentFrame, start, end - start, this.totalFrames);
   }

   return val;
};

YAHOO.util.Motion.prototype.getAttribute = function(attribute) {
   var val = null;

   if (attribute == 'points') {
      val = [ this.getAttribute('left'), this.getAttribute('top') ];
      if ( isNaN(val[0]) ) { val[0] = 0; }
      if ( isNaN(val[1]) ) { val[1] = 0; }
   } else {
      val = parseFloat( YAHOO.util.Dom.getStyle(this.getEl(), attribute) );
   }
   return val;
};

YAHOO.util.Motion.prototype.setAttribute = function(attribute, val, unit) {
   if (attribute == 'points') {
      YAHOO.util.Dom.setStyle(this.getEl(), 'left', val[0] + unit);
      YAHOO.util.Dom.setStyle(this.getEl(), 'top', val[1] + unit);
   } else {
      YAHOO.util.Dom.setStyle(this.getEl(), attribute, val + unit);
   }
};

YAHOO.util.Motion.prototype.initMotion = function(el, attributes, duration, method) {

   YAHOO.util.Anim.call(this, el, attributes, duration, method);

   attributes = attributes || {};
   attributes.points = attributes.points || {};
   attributes.points.control = attributes.points.control || [];

   this.attributes = attributes;

   var start;
   var end = null;
   var translatedPoints = null;

   this.getTranslatedPoints = function() { return translatedPoints; };

   var translateValues = function(val, self) {
      var pageXY = YAHOO.util.Dom.getXY(self.getEl());
      val = [ val[0] - pageXY[0] + start[0], val[1] - pageXY[1] + start[1] ];

      return val;
   };

   var onStart = function() {
      start = this.getAttribute('points');
      var attributes = this.attributes;
      var control =  attributes['points']['control'] || [];

      if (control.length > 0 && control[0].constructor != Array) { // could be single point or array of points
         control = [control];
      }

      if (YAHOO.util.Dom.getStyle(this.getEl(), 'position') == 'static') { // default to relative
         YAHOO.util.Dom.setStyle(this.getEl(), 'position', 'relative');
      }

      if (typeof attributes['points']['from'] != 'undefined') {
         YAHOO.util.Dom.setXY(this.getEl(), attributes['points']['from']); // set to from point
         start = this.getAttribute('points'); // get actual offset values
      }
      else if ((start[0] === 0 || start[1] === 0)) { // these sometimes up when auto
         YAHOO.util.Dom.setXY(this.getEl(), YAHOO.util.Dom.getXY(this.getEl())); // set it to current position, giving offsets
         start = this.getAttribute('points'); // get actual offset values
      }

      var i, len;
      if (typeof attributes['points']['to'] != 'undefined') {
         end = translateValues(attributes['points']['to'], this);

         for (i = 0, len = control.length; i < len; ++i) {
            control[i] = translateValues(control[i], this);
         }

      } else if (typeof attributes['points']['by'] != 'undefined') {
         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] ];
         }
      }
      if (end) {
         translatedPoints = [start];
         if (control.length > 0) { translatedPoints = translatedPoints.concat(control); }
         translatedPoints[translatedPoints.length] = end;
      }
   };
   this._onStart.subscribe(onStart);
};

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

YAHOO.util.Scroll.prototype = new YAHOO.util.Anim();

YAHOO.util.Scroll.prototype.defaultUnits.scroll = ' ';

YAHOO.util.Scroll.prototype.doMethod = function(attribute, start, end) {
   var val = null;

   if (attribute == '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 = this.method(this.currentFrame, start, end - start, this.totalFrames);
   }
   return val;
}

YAHOO.util.Scroll.prototype.getAttribute = function(attribute) {
   var val = null;
   var el = this.getEl();

   if (attribute == 'scroll') {
      val = [ el.scrollLeft, el.scrollTop ];
   } else {
      val = parseFloat( YAHOO.util.Dom.getStyle(el, attribute) );
   }

   return val;
};

YAHOO.util.Scroll.prototype.setAttribute = function(attribute, val, unit) {
   var el = this.getEl();

   if (attribute == 'scroll') {
      el.scrollLeft = val[0];
      el.scrollTop = val[1];
   } else {
      YAHOO.util.Dom.setStyle(el, attribute, val + unit);
   }
};


/* *** **** *** */

/* Dom.js - Copyright (c) 2006 Yahoo! Inc. All rights reserved. */
YAHOO.util.Dom=new function(){this.get=function(el){if(typeof el=='string'){el=document.getElementById(el);}
return el;};this.getStyle=function(el,property){var value=null;var dv=document.defaultView;el=this.get(el);if(property=='opacity'&&el.filters){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[property]){value=el.style[property];}
else if(el.currentStyle&&el.currentStyle[property]){value=el.currentStyle[property];}
else if(dv&&dv.getComputedStyle)
{var converted='';for(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);}}
if(dv.getComputedStyle(el,'').getPropertyValue(converted)){value=dv.getComputedStyle(el,'').getPropertyValue(converted);}}
return value;};this.setStyle=function(el,property,val){el=this.get(el);switch(property){case'opacity':if(el.filters){el.style.filter='alpha(opacity='+val*100+')';if(!el.currentStyle.hasLayout){el.style.zoom=1;}}else{el.style.opacity=val;el.style['-moz-opacity']=val;el.style['-khtml-opacity']=val;}
break;default:el.style[property]=val;}};this.getXY=function(el){el=this.get(el);if(el.parentNode===null||this.getStyle(el,'display')=='none'){return false;}
var parent=null;var pos=[];var box;if(el.getBoundingClientRect){box=el.getBoundingClientRect();var scrollTop=document.documentElement.scrollTop||document.body.scrollTop;var scrollLeft=document.documentElement.scrollLeft||document.body.scrollLeft;return[box.left+scrollLeft,box.top+scrollTop];}
else if(document.getBoxObjectFor){box=document.getBoxObjectFor(el);pos=[box.x,box.y];}
else{pos=[el.offsetLeft,el.offsetTop];parent=el.offsetParent;if(parent!=el){while(parent){pos[0]+=parent.offsetLeft;pos[1]+=parent.offsetTop;parent=parent.offsetParent;}}
var ua=navigator.userAgent.toLowerCase();if(ua.indexOf('opera')!=-1||(ua.indexOf('safari')!=-1&&this.getStyle(el,'position')=='absolute')){pos[1]-=document.body.offsetTop;}}
if(el.parentNode){parent=el.parentNode;}
else{parent=null;}
while(parent&&parent.tagName!='BODY'&&parent.tagName!='HTML'){pos[0]-=parent.scrollLeft;pos[1]-=parent.scrollTop;if(parent.parentNode){parent=parent.parentNode;}
else{parent=null;}}
return pos;};this.getX=function(el){return this.getXY(el)[0];};this.getY=function(el){return this.getXY(el)[1];};this.setXY=function(el,pos,noRetry){el=this.get(el);var pageXY=YAHOO.util.Dom.getXY(el);if(pageXY===false){return false;}
var delta=[parseInt(YAHOO.util.Dom.getStyle(el,'left'),10),parseInt(YAHOO.util.Dom.getStyle(el,'top'),10)];if(isNaN(delta[0])){delta[0]=0;}
if(isNaN(delta[1])){delta[1]=0;}
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);}
return true;};this.setX=function(el,x){return this.setXY(el,[x,null]);};this.setY=function(el,y){return this.setXY(el,[null,y]);};this.getRegion=function(el){el=this.get(el);return new YAHOO.util.Region.getRegion(el);};this.getClientWidth=function(){return(document.documentElement.offsetWidth||document.body.offsetWidth);};this.getClientHeight=function(){return(self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight);};};YAHOO.util.Region=function(t,r,b,l){this.top=t;this.right=r;this.bottom=b;this.left=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 {"+"  t: "+this.top+", r: "+this.right+", b: "+this.bottom+", l: "+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){this.x=x;this.y=y;this.top=y;this.right=x;this.bottom=y;this.left=x;};YAHOO.util.Point.prototype=new YAHOO.util.Region();

/* *** **** *** */

/* Event.js - Copyright (c) 2006 Yahoo! Inc. All rights reserved. */
YAHOO.util.CustomEvent=function(type,oScope){this.type=type;this.scope=oScope||window;this.subscribers=[];if(YAHOO.util["Event"]){YAHOO.util.Event.regCE(this);}};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;i<this.subscribers.length;++i){var s=this.subscribers[i];if(s&&s.contains(fn,obj)){this._delete(i);found=true;}}
return found;},fire:function(){for(var i=0;i<this.subscribers.length;++i){var s=this.subscribers[i];if(s){var scope=(s.override)?s.obj:this.scope;s.fn.call(scope,this.type,arguments,s.obj);}}},unsubscribeAll:function(){for(var i=0;i<this.subscribers.length;++i){this._delete(i);}},_delete:function(index){var s=this.subscribers[index];if(s){delete s.fn;delete s.obj;}
delete this.subscribers[index];}};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);};if(!YAHOO.util.Event){YAHOO.util.Event=function(){var loadComplete=false;var listeners=[];var delayedListeners=[];var unloadListeners=[];var customEvents=[];var legacyEvents=[];var legacyHandlers=[];return{EL:0,TYPE:1,FN:2,WFN:3,SCOPE:3,ADJ_SCOPE:4,isSafari:(navigator.userAgent.match(/safari/gi)),isIE:(!this.isSafari&&navigator.userAgent.match(/msie/gi)),addListener:function(el,sType,fn,oScope,bOverride){if(this._isValidCollection(el)){var ok=true;for(var i=0;i<el.length;++i){ok=(this.on(el[i],sType,fn,oScope,bOverride)&&ok);}
return ok;}else if(typeof el=="string"){if(loadComplete){el=this.getEl(el);}else{delayedListeners[delayedListeners.length]=[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;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(i=0;i<le.length;++i){var index=le[i];if(index){var li=listeners[index];var scope=li[this.ADJ_SCOPE];var ret=li[this.WFN].call(scope,e);ok=(ok&&ret);}}
return ok;},getLegacyIndex:function(el,sType){for(var i=0;i<legacyEvents.length;++i){var le=legacyEvents[i];if(le&&le[0]==el&&le[1]==sType){return i;}}
return-1;},useLegacyEvent:function(el,sType){return((!el.addEventListener&&!el.attachEvent)||(sType=="click"&&this.isSafari));},removeListener:function(el,sType,fn){if(typeof el=="string"){el=this.getEl(el);}else if(this._isValidCollection(el)){var ok=true;for(var i=0;i<el.length;++i){ok=(this.removeListener(el[i],sType,fn)&&ok);}
return ok;}
var cacheItem=null;var 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;if(resolveTextNode&&t&&"#text"==t.nodeName){return t.parentNode;}else{return t;}},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;},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 t;},getTime:function(ev){if(!ev.time){var t=new Date().getTime();try{ev.time=t;}catch(e){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;i<listeners.length;++i){var li=listeners[i];if(li&&li[this.FN]==fn&&li[this.EL]==el&&li[this.TYPE]==sType){return i;}}
return-1;},_isValidCollection:function(o){return(o&&o.length&&typeof o!="string"&&!o.tagName&&!o.alert&&typeof o[0]!="undefined");},elCache:{},getEl:function(id){return document.getElementById(id);},clearCache:function(){for(i in this.elCache){delete this.elCache[i];}},regCE:function(ce){customEvents.push(ce);},_load:function(e){loadComplete=true;},_tryPreloadAttach:function(){var tryAgain=!loadComplete;for(var i=0;i<delayedListeners.length;++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];}}}
if(tryAgain){setTimeout("YAHOO.util.Event._tryPreloadAttach()",50);}},_unload:function(e,me){for(var i=0;i<unloadListeners.length;++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;i<listeners.length;++i){l=listeners[i];if(l){this.removeListener(l[this.EL],l[this.TYPE],l[this.FN]);}}
this.clearCache();}
for(i=0;i<customEvents.length;++i){customEvents[i].unsubscribeAll();delete customEvents[i];}
for(i=0;i<legacyEvents.length;++i){delete legacyEvents[i][0];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();}