yahoo-dom-event.js

/* Copyright (c) 2006, Yahoo! Inc. All rights reserved.Code licensed under the BSD License:http://developer.yahoo.net/yui/license.txtversion: 0.12.0 */ if(typeof YAHOO=="undefined"){var YAHOO={};}YAHOO.namespace=function(){var a=arguments,o=null,i,j,d;for(i=0;i<a.length;++i){d=a[i].split(".");o=YAHOO;for(j=(d[0]=="YAHOO")?1:0;j<d.length;++j){o[d[j]]=o[d[j]]||{};o=o[d[j]];}}return o;};YAHOO.log=function(_2,_3,_4){var l=YAHOO.widget.Logger;if(l&&l.log){return l.log(_2,_3,_4);}else{return false;}};YAHOO.extend=function(_6,_7,_8){var F=function(){};F.prototype=_7.prototype;_6.prototype=new F();_6.prototype.constructor=_6;_6.superclass=_7.prototype;if(_7.prototype.constructor==Object.prototype.constructor){_7.prototype.constructor=_7;}if(_8){for(var i in _8){_6.prototype[i]=_8[i];}}};YAHOO.augment=function(r,s){var rp=r.prototype,sp=s.prototype,a=arguments,i,p;if(a[2]){for(i=2;i<a.length;++i){rp[a[i]]=sp[a[i]];}}else{for(p in sp){if(!rp[p]){rp[p]=sp[p];}}}};YAHOO.namespace("util","widget","example");(function(){var Y=YAHOO.util,getStyle,setStyle,id_counter=0,propertyCache={};var ua=navigator.userAgent.toLowerCase(),isOpera=(ua.indexOf('opera')>-1),isSafari=(ua.indexOf('safari')>-1),isGecko=(!isOpera&&!isSafari&&ua.indexOf('gecko')>-1),isIE=(!isOpera&&ua.indexOf('msie')>-1);var patterns={HYPHEN:/(-[a-z])/i};var toCamel=function(property){if(!patterns.HYPHEN.test(property)){return property;}if(propertyCache[property]){return propertyCache[property];}while(patterns.HYPHEN.exec(property)){property=property.replace(RegExp.$1,RegExp.$1.substr(1).toUpperCase());}propertyCache[property]=property;return property;};if(document.defaultView&&document.defaultView.getComputedStyle){getStyle=function(el,property){var value=null;var computed=document.defaultView.getComputedStyle(el,'');if(computed){value=computed[toCamel(property)];}return el.style[property]||value;};}else if(document.documentElement.currentStyle&&isIE){getStyle=function(el,property){switch(toCamel(property)){case'opacity':var val=100;try{val=el.filters['DXImageTransform.Microsoft.Alpha'].opacity;}catch(e){try{val=el.filters('alpha').opacity;}catch(e){}}return val/100;break;default:var value=el.currentStyle?el.currentStyle[property]:null;return(el.style[property]||value);}};}else{getStyle=function(el,property){return el.style[property];};}if(isIE){setStyle=function(el,property,val){switch(property){case'opacity':if(typeof el.style.filter=='string'){el.style.filter='alpha(opacity='+val*100+')';if(!el.currentStyle||!el.currentStyle.hasLayout){el.style.zoom=1;}}break;default:el.style[property]=val;}};}else{setStyle=function(el,property,val){el.style[property]=val;};}YAHOO.util.Dom={get:function(el){if(!el){return null;}if(typeof el!='string'&&!(el instanceof Array)){return el;}if(typeof el=='string'){return document.getElementById(el);}else{var collection=[];for(var i=0,len=el.length;i<len;++i){collection[collection.length]=Y.Dom.get(el[i]);}return collection;}return null;},getStyle:function(el,property){property=toCamel(property);var f=function(element){return getStyle(element,property);};return Y.Dom.batch(el,f,Y.Dom,true);},setStyle:function(el,property,val){property=toCamel(property);var f=function(element){setStyle(element,property,val);};Y.Dom.batch(el,f,Y.Dom,true);},getXY:function(el){var f=function(el){if(el.parentNode===null||el.offsetParent===null||this.getStyle(el,'display')=='none'){return false;}var parentNode=null;var pos=[];var box;if(el.getBoundingClientRect){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'){if(Y.Dom.getStyle(parentNode,'display')!='inline'){pos[0]-=parentNode.scrollLeft;pos[1]-=parentNode.scrollTop;}if(parentNode.parentNode){parentNode=parentNode.parentNode;}else{parentNode=null;}}return pos;};return Y.Dom.batch(el,f,Y.Dom,true);},getX:function(el){var f=function(el){return Y.Dom.getXY(el)[0];};return Y.Dom.batch(el,f,Y.Dom,true);},getY:function(el){var f=function(el){return Y.Dom.getXY(el)[1];};return Y.Dom.batch(el,f,Y.Dom,true);},setXY:function(el,pos,noRetry){var f=function(el){var style_pos=this.getStyle(el,'position');if(style_pos=='static'){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);}};Y.Dom.batch(el,f,Y.Dom,true);},setX:function(el,x){Y.Dom.setXY(el,[x,null]);},setY:function(el,y){Y.Dom.setXY(el,[null,y]);},getRegion:function(el){var f=function(el){var region=new Y.Region.getRegion(el);return region;};return Y.Dom.batch(el,f,Y.Dom,true);},getClientWidth:function(){return Y.Dom.getViewportWidth();},getClientHeight:function(){return Y.Dom.getViewportHeight();},getElementsByClassName:function(className,tag,root){var method=function(el){return Y.Dom.hasClass(el,className);};return Y.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 Y.Dom.batch(el,f,Y.Dom,true);},addClass:function(el,className){var f=function(el){if(this.hasClass(el,className)){return;}el['className']=[el['className'],className].join(' ');};Y.Dom.batch(el,f,Y.Dom,true);},removeClass:function(el,className){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)','g');var f=function(el){if(!this.hasClass(el,className)){return;}var c=el['className'];el['className']=c.replace(re,' ');if(this.hasClass(el,className)){this.removeClass(el,className);}};Y.Dom.batch(el,f,Y.Dom,true);},replaceClass:function(el,oldClassName,newClassName){if(oldClassName===newClassName){return false;}var re=new RegExp('(?:^|\\s+)'+oldClassName+'(?:\\s+|$)','g');var f=function(el){if(!this.hasClass(el,oldClassName)){this.addClass(el,newClassName);return;}el['className']=el['className'].replace(re,' '+newClassName+' ');if(this.hasClass(el,oldClassName)){this.replaceClass(el,oldClassName,newClassName);}};Y.Dom.batch(el,f,Y.Dom,true);},generateId:function(el,prefix){prefix=prefix||'yui-gen';el=el||{};var f=function(el){if(el){el=Y.Dom.get(el);}else{el={};}if(!el.id){el.id=prefix+id_counter++;}return el.id;};return Y.Dom.batch(el,f,Y.Dom,true);},isAncestor:function(haystack,needle){haystack=Y.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||parent.tagName.toUpperCase()=='HTML'){return false;}parent=parent.parentNode;}return false;}};return Y.Dom.batch(needle,f,Y.Dom,true);},inDocument:function(el){var f=function(el){return this.isAncestor(document.documentElement,el);};return Y.Dom.batch(el,f,Y.Dom,true);},getElementsBy:function(method,tag,root){tag=tag||'*';root=Y.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=Y.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=el[i];}collection[collection.length]=method.call(scope,el[i],o);}return collection;},getDocumentHeight:function(){var scrollHeight=(document.compatMode!='CSS1Compat')?document.body.scrollHeight:document.documentElement.scrollHeight;var h=Math.max(scrollHeight,Y.Dom.getViewportHeight());return h;},getDocumentWidth:function(){var scrollWidth=(document.compatMode!='CSS1Compat')?document.body.scrollWidth:document.documentElement.scrollWidth;var w=Math.max(scrollWidth,Y.Dom.getViewportWidth());return w;},getViewportHeight:function(){var height=self.innerHeight;var mode=document.compatMode;if((mode||isIE)&&!isOpera){height=(mode=='CSS1Compat')?document.documentElement.clientHeight:document.body.clientHeight;}return height;},getViewportWidth:function(){var width=self.innerWidth;var mode=document.compatMode;if(mode||isIE){width=(mode=='CSS1Compat')?document.documentElement.clientWidth:document.body.clientWidth;}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){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.CustomEvent=function(_1,_2,_3,_4){this.type=_1;this.scope=_2||window;this.silent=_3;this.signature=_4||YAHOO.util.CustomEvent.LIST;this.subscribers=[];if(!this.silent){}var _5="_YUICEOnSubscribe";if(_1!==_5){this.subscribeEvent=new YAHOO.util.CustomEvent(_5,this,true);}};YAHOO.util.CustomEvent.LIST=0;YAHOO.util.CustomEvent.FLAT=1;YAHOO.util.CustomEvent.prototype={subscribe:function(fn,_7,_8){if(this.subscribeEvent){this.subscribeEvent.fire(fn,_7,_8);}this.subscribers.push(new YAHOO.util.Subscriber(fn,_7,_8));},unsubscribe:function(fn,_9){var _10=false;for(var i=0,len=this.subscribers.length;i<len;++i){var s=this.subscribers[i];if(s&&s.contains(fn,_9)){this._delete(i);_10=true;}}return _10;},fire:function(){var len=this.subscribers.length;if(!len&&this.silent){return true;}var _14=[],ret=true,i;for(i=0;i<arguments.length;++i){_14.push(arguments[i]);}var _15=_14.length;if(!this.silent){}for(i=0;i<len;++i){var s=this.subscribers[i];if(s){if(!this.silent){}var _16=s.getScope(this.scope);if(this.signature==YAHOO.util.CustomEvent.FLAT){var _17=null;if(_14.length>0){_17=_14[0];}ret=s.fn.call(_16,_17,s.obj);}else{ret=s.fn.call(_16,this.type,_14,s.obj);}if(false===ret){if(!this.silent){}return false;}}}return true;},unsubscribeAll:function(){for(var i=0,len=this.subscribers.length;i<len;++i){this._delete(len-1-i);}},_delete:function(_18){var s=this.subscribers[_18];if(s){delete s.fn;delete s.obj;}this.subscribers.splice(_18,1);},toString:function(){return "CustomEvent: "+"'"+this.type+"', "+"scope: "+this.scope;}};YAHOO.util.Subscriber=function(fn,obj,_20){this.fn=fn;this.obj=obj||null;this.override=_20;};YAHOO.util.Subscriber.prototype.getScope=function(_21){if(this.override){if(this.override===true){return this.obj;}else{return this.override;}}return _21;};YAHOO.util.Subscriber.prototype.contains=function(fn,obj){if(obj){return (this.fn==fn&&this.obj==obj);}else{return (this.fn==fn);}};YAHOO.util.Subscriber.prototype.toString=function(){return "Subscriber { obj: "+(this.obj||"")+", override: "+(this.override||"no")+" }";};if(!YAHOO.util.Event){YAHOO.util.Event=function(){var _22=false;var _23=[];var _24=[];var _25=[];var _26=[];var _27=0;var _28=[];var _29=[];var _30=0;return {POLL_RETRYS:200,POLL_INTERVAL:20,EL:0,TYPE:1,FN:2,WFN:3,OBJ: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)),_interval:null,startInterval:function(){if(!this._interval){var _31=this;var _32=function(){_31._tryPreloadAttach();};this._interval=setInterval(_32,this.POLL_INTERVAL);}},onAvailable:function(_33,_34,_35,_36){_28.push({id:_33,fn:_34,obj:_35,override:_36,checkReady:false});_27=this.POLL_RETRYS;this.startInterval();},onContentReady:function(_37,_38,_39,_40){_28.push({id:_37,fn:_38,obj:_39,override:_40,checkReady:true});_27=this.POLL_RETRYS;this.startInterval();},addListener:function(el,_42,fn,obj,_43){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],_42,fn,obj,_43)&&ok;}return ok;}else{if(typeof el=="string"){var oEl=this.getEl(el);if(oEl){el=oEl;}else{this.onAvailable(el,function(){YAHOO.util.Event.on(el,_42,fn,obj,_43);});return true;}}}if(!el){return false;}if("unload"==_42&&obj!==this){_24[_24.length]=[el,_42,fn,obj,_43];return true;}var _46=el;if(_43){if(_43===true){_46=obj;}else{_46=_43;}}var _47=function(e){return fn.call(_46,YAHOO.util.Event.getEvent(e),obj);};var li=[el,_42,fn,_47,_46];var _50=_23.length;_23[_50]=li;if(this.useLegacyEvent(el,_42)){var _51=this.getLegacyIndex(el,_42);if(_51==-1||el!=_25[_51][0]){_51=_25.length;_29[el.id+_42]=_51;_25[_51]=[el,_42,el["on"+_42]];_26[_51]=[];el["on"+_42]=function(e){YAHOO.util.Event.fireLegacyEvent(YAHOO.util.Event.getEvent(e),_51);};}_26[_51].push(li);}else{this._simpleAdd(el,_42,_47,false);}return true;},fireLegacyEvent:function(e,_52){var ok=true;var le=_26[_52];for(var i=0,len=le.length;i<len;++i){var li=le[i];if(li&&li[this.WFN]){var _54=li[this.ADJ_SCOPE];var ret=li[this.WFN].call(_54,e);ok=(ok&&ret);}}return ok;},getLegacyIndex:function(el,_56){var key=this.generateId(el)+_56;if(typeof _29[key]=="undefined"){return -1;}else{return _29[key];}},useLegacyEvent:function(el,_58){if(!el.addEventListener&&!el.attachEvent){return true;}else{if(this.isSafari){if("click"==_58||"dblclick"==_58){return true;}}}return false;},removeListener:function(el,_59,fn){var i,len;if(typeof el=="string"){el=this.getEl(el);}else{if(this._isValidCollection(el)){var ok=true;for(i=0,len=el.length;i<len;++i){ok=(this.removeListener(el[i],_59,fn)&&ok);}return ok;}}if(!fn||!fn.call){return this.purgeElement(el,false,_59);}if("unload"==_59){for(i=0,len=_24.length;i<len;i++){var li=_24[i];if(li&&li[0]==el&&li[1]==_59&&li[2]==fn){_24.splice(i,1);return true;}}return false;}var _60=null;var _61=arguments[3];if("undefined"==typeof _61){_61=this._getCacheIndex(el,_59,fn);}if(_61>=0){_60=_23[_61];}if(!el||!_60){return false;}if(this.useLegacyEvent(el,_59)){var _62=this.getLegacyIndex(el,_59);var _63=_26[_62];if(_63){for(i=0,len=_63.length;i<len;++i){li=_63[i];if(li&&li[this.EL]==el&&li[this.TYPE]==_59&&li[this.FN]==fn){_63.splice(i,1);}}}}else{this._simpleRemove(el,_59,_60[this.WFN],false);}delete _23[_61][this.WFN];delete _23[_61][this.FN];_23.splice(_61,1);return true;},getTarget:function(ev,_65){var t=ev.target||ev.srcElement;return this.resolveTextNode(t);},resolveTextNode:function(_67){if(_67&&3==_67.nodeType){return _67.parentNode;}else{return _67;}},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){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.keyCode||0;},_getCacheIndex:function(el,_71,fn){for(var i=0,len=_23.length;i<len;++i){var li=_23[i];if(li&&li[this.FN]==fn&&li[this.EL]==el&&li[this.TYPE]==_71){return i;}}return -1;},generateId:function(el){var id=el.id;if(!id){id="yuievtautoid-"+_30;++_30;el.id=id;}return id;},_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(){},_load:function(e){_22=true;var EU=YAHOO.util.Event;if(this.isIE){EU._simpleRemove(window,"load",EU._load);}},_tryPreloadAttach:function(){if(this.locked){return false;}this.locked=true;var _75=!_22;if(!_75){_75=(_27>0);}var _76=[];for(var i=0,len=_28.length;i<len;++i){var _77=_28[i];if(_77){var el=this.getEl(_77.id);if(el){if(!_77.checkReady||_22||el.nextSibling||(document&&document.body)){var _78=el;if(_77.override){if(_77.override===true){_78=_77.obj;}else{_78=_77.override;}}_77.fn.call(_78,_77.obj);delete _28[i];}}else{_76.push(_77);}}}_27=(_76.length===0)?0:_27-1;if(_75){this.startInterval();}else{clearInterval(this._interval);this._interval=null;}this.locked=false;return true;},purgeElement:function(el,_79,_80){var _81=this.getListeners(el,_80);if(_81){for(var i=0,len=_81.length;i<len;++i){var l=_81[i];this.removeListener(el,l.type,l.fn);}}if(_79&&el&&el.childNodes){for(i=0,len=el.childNodes.length;i<len;++i){this.purgeElement(el.childNodes[i],_79,_80);}}},getListeners:function(el,_83){var _84=[];if(_23&&_23.length>0){for(var i=0,len=_23.length;i<len;++i){var l=_23[i];if(l&&l[this.EL]===el&&(!_83||_83===l[this.TYPE])){_84.push({type:l[this.TYPE],fn:l[this.FN],obj:l[this.OBJ],adjust:l[this.ADJ_SCOPE],index:i});}}}return (_84.length)?_84:null;},_unload:function(e){var EU=YAHOO.util.Event,i,j,l,len,index;for(i=0,len=_24.length;i<len;++i){l=_24[i];if(l){var _85=window;if(l[EU.ADJ_SCOPE]){if(l[EU.ADJ_SCOPE]===true){_85=l[EU.OBJ];}else{_85=l[EU.ADJ_SCOPE];}}l[EU.FN].call(_85,EU.getEvent(e),l[EU.OBJ]);delete _24[i];l=null;_85=null;}}if(_23&&_23.length>0){j=_23.length;while(j){index=j-1;l=_23[index];if(l){EU.removeListener(l[EU.EL],l[EU.TYPE],l[EU.FN],index);}j=j-1;}l=null;EU.clearCache();}for(i=0,len=_25.length;i<len;++i){delete _25[i][0];delete _25[i];}EU._simpleRemove(window,"unload",EU._unload);},_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||dd.scrollLeft)){return [dd.scrollTop,dd.scrollLeft];}else{if(db){return [db.scrollTop,db.scrollLeft];}else{return [0,0];}}},_simpleAdd:function(){if(window.addEventListener){return function(el,_87,fn,_88){el.addEventListener(_87,fn,(_88));};}else{if(window.attachEvent){return function(el,_89,fn,_90){el.attachEvent("on"+_89,fn);};}else{return function(){};}}}(),_simpleRemove:function(){if(window.removeEventListener){return function(el,_91,fn,_92){el.removeEventListener(_91,fn,(_92));};}else{if(window.detachEvent){return function(el,_93,fn){el.detachEvent("on"+_93,fn);};}else{return function(){};}}}()};}();(function(){var EU=YAHOO.util.Event;EU.on=EU.addListener;if(document&&document.body){EU._load();}else{EU._simpleAdd(window,"load",EU._load);}EU._simpleAdd(window,"unload",EU._unload);EU._tryPreloadAttach();})();}YAHOO.util.EventProvider=function(){};YAHOO.util.EventProvider.prototype={__yui_events:null,__yui_subscribers:null,subscribe:function(_94,_95,_96,_97){this.__yui_events=this.__yui_events||{};var ce=this.__yui_events[_94];if(ce){ce.subscribe(_95,_96,_97);}else{this.__yui_subscribers=this.__yui_subscribers||{};var _99=this.__yui_subscribers;if(!_99[_94]){_99[_94]=[];}_99[_94].push({fn:_95,obj:_96,override:_97});}},unsubscribe:function(_100,p_fn,_102){this.__yui_events=this.__yui_events||{};var ce=this.__yui_events[_100];if(ce){return ce.unsubscribe(p_fn,_102);}else{return false;}},createEvent:function(_103,_104){this.__yui_events=this.__yui_events||{};var opts=_104||{};var _106=this.__yui_events;if(_106[_103]){}else{var _107=opts.scope||this;var _108=opts.silent||null;var ce=new YAHOO.util.CustomEvent(_103,_107,_108,YAHOO.util.CustomEvent.FLAT);_106[_103]=ce;if(opts.onSubscribeCallback){ce.subscribeEvent.subscribe(opts.onSubscribeCallback);}this.__yui_subscribers=this.__yui_subscribers||{};var qs=this.__yui_subscribers[_103];if(qs){for(var i=0;i<qs.length;++i){ce.subscribe(qs[i].fn,qs[i].obj,qs[i].override);}}}return _106[_103];},fireEvent:function(_110,arg1,arg2,etc){this.__yui_events=this.__yui_events||{};var ce=this.__yui_events[_110];if(ce){var args=[];for(var i=1;i<arguments.length;++i){args.push(arguments[i]);}return ce.fire.apply(ce,args);}else{return null;}},hasEvent:function(type){if(this.__yui_events){if(this.__yui_events[type]){return true;}}return false;}};