/* Copyright (c) 2006, Yahoo! Inc. All rights reserved.Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt Version: 0.11.4*/ if(typeof YAHOO=="undefined"){YAHOO={};}YAHOO.namespace=function(ns){if(!ns||!ns.length){return null;}var _2=ns.split(".");var _3=YAHOO;for(var i=(_2[0]=="YAHOO")?1:0;i<_2.length;++i){_3[_2[i]]=_3[_2[i]]||{};_3=_3[_2[i]];}return _3;};YAHOO.log=function(_5,_6,_7){var l=YAHOO.widget.Logger;if(l&&l.log){return l.log(_5,_6,_7);}else{return false;}};YAHOO.extend=function(_9,_10){var f=function(){};f.prototype=_10.prototype;_9.prototype=new f();_9.prototype.constructor=_9;_9.superclass=_10.prototype;if(_10.prototype.constructor==Object.prototype.constructor){_10.prototype.constructor=_10;}};YAHOO.namespace("util");YAHOO.namespace("widget");YAHOO.namespace("example");/* Copyright (c) 2006, Yahoo! Inc. All rights reserved.  Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt Version: 0.11.3 */ 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;}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]=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){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'){el.style.filter='alpha(opacity='+val*100+')';if(!el.currentStyle||!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[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){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(util.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 util.Dom.batch(el,f,util.Dom,true);},getX:function(el){var f=function(el){return util.Dom.getXY(el)[0];};return util.Dom.batch(el,f,util.Dom,true);},getY:function(el){var f=function(el){return util.Dom.getXY(el)[1];};return util.Dom.batch(el,f,util.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);}};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;}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+|$)','g');var f=function(el){if(!this.hasClass(el,className)){return;}var c=el['className'];el['className']=c.replace(re,' ');if(this.hasClass(el,className)){this.removeClass(el,className);}};util.Dom.batch(el,f,util.Dom,true);},replaceClass:function(el,oldClassName,newClassName){if(oldClassName===newClassName){return false;};var re=new RegExp('(?:^|\\s+)'+oldClassName+'(?:\\s+|$)','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);}};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={};}if(!el.id){el.id=prefix+id_counter++;}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||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:scrollHeight=document.body.scrollHeight;bodyHeight=document.body.clientHeight;}}else{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;break;default:bodyWidth=document.body.clientWidth;docWidth=document.body.scrollWidth;break;}}else{docWidth=document.documentElement.clientWidth;bodyWidth=document.body.offsetWidth+marginLeft+marginRight;}var w=Math.max(docWidth,bodyWidth);return w;},getViewportHeight:function(){var height=-1;var mode=document.compatMode;if((mode||isIE)&&!isOpera){switch(mode){case'CSS1Compat':height=document.documentElement.clientHeight;break;default:height=document.body.clientHeight;}}else{height=self.innerHeight;}return height;},getViewportWidth:function(){var width=-1;var mode=document.compatMode;if(mode||isIE){switch(mode){case'CSS1Compat':width=document.documentElement.clientWidth;break;default:width=document.body.clientWidth;}}else{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){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();/* Copyright (c) 2006, Yahoo! Inc. All rights reserved. Code licensed under the BSD License:http://developer.yahoo.net/yui/license.txt Version: 0.11.4*/ YAHOO.util.CustomEvent=function(_1,_2,_3){this.type=_1;this.scope=_2||window;this.silent=_3;this.subscribers=[];if(!this.silent){}};YAHOO.util.CustomEvent.prototype={subscribe:function(fn,_5,_6){this.subscribers.push(new YAHOO.util.Subscriber(fn,_5,_6));},unsubscribe:function(fn,_7){var _8=false;for(var i=0,len=this.subscribers.length;i<len;++i){var s=this.subscribers[i];if(s&&s.contains(fn,_7)){this._delete(i);_8=true;}}return _8;},fire:function(){var len=this.subscribers.length;if(!len&&this.silent){return;}var _12=[];for(var i=0;i<arguments.length;++i){_12.push(arguments[i]);}if(!this.silent){}for(i=0;i<len;++i){var s=this.subscribers[i];if(s){if(!this.silent){}var _13=(s.override)?s.obj:this.scope;s.fn.call(_13,this.type,_12,s.obj);}}},unsubscribeAll:function(){for(var i=0,len=this.subscribers.length;i<len;++i){this._delete(len-1-i);}},_delete:function(_14){var s=this.subscribers[_14];if(s){delete s.fn;delete s.obj;}this.subscribers.splice(_14,1);},toString:function(){return "CustomEvent: "+"'"+this.type+"', "+"scope: "+this.scope;}};YAHOO.util.Subscriber=function(fn,obj,_16){this.fn=fn;this.obj=obj||null;this.override=(_16);};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 _17=false;var _18=[];var _19=[];var _20=[];var _21=[];var _22=[];var _23=0;var _24=[];var _25=[];var _26=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,_28,fn,_29,_30){_19[_19.length]=[el,_28,fn,_29,_30];if(_17){_23=this.POLL_RETRYS;this.startTimeout(0);}},startTimeout:function(_31){var i=(_31||_31===0)?_31:this.POLL_INTERVAL;var _32=this;var _33=function(){_32._tryPreloadAttach();};this.timeout=setTimeout(_33,i);},onAvailable:function(_34,_35,_36,_37){_24.push({id:_34,fn:_35,obj:_36,override:_37});_23=this.POLL_RETRYS;this.startTimeout(0);},addListener:function(el,_38,fn,_39,_40){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],_38,fn,_39,_40)&&ok);}return ok;}else{if(typeof el=="string"){var oEl=this.getEl(el);if(_17&&oEl){el=oEl;}else{this.addDelayedListener(el,_38,fn,_39,_40);return true;}}}if(!el){return false;}if("unload"==_38&&_39!==this){_20[_20.length]=[el,_38,fn,_39,_40];return true;}var _43=(_40)?_39:el;var _44=function(e){return fn.call(_43,YAHOO.util.Event.getEvent(e),_39);};var li=[el,_38,fn,_44,_43];var _47=_18.length;_18[_47]=li;if(this.useLegacyEvent(el,_38)){var _48=this.getLegacyIndex(el,_38);if(_48==-1||el!=_21[_48][0]){_48=_21.length;_25[el.id+_38]=_48;_21[_48]=[el,_38,el["on"+_38]];_22[_48]=[];el["on"+_38]=function(e){YAHOO.util.Event.fireLegacyEvent(YAHOO.util.Event.getEvent(e),_48);};}_22[_48].push(li);}else{if(el.addEventListener){el.addEventListener(_38,_44,false);}else{if(el.attachEvent){el.attachEvent("on"+_38,_44);}}}return true;},fireLegacyEvent:function(e,_49){var ok=true;var le=_22[_49];for(var i=0,len=le.length;i<len;++i){var li=le[i];if(li&&li[this.WFN]){var _51=li[this.ADJ_SCOPE];var ret=li[this.WFN].call(_51,e);ok=(ok&&ret);}}return ok;},getLegacyIndex:function(el,_53){var key=this.generateId(el)+_53;if(typeof _25[key]=="undefined"){return -1;}else{return _25[key];}},useLegacyEvent:function(el,_55){if(!el.addEventListener&&!el.attachEvent){return true;}else{if(this.isSafari){if("click"==_55||"dblclick"==_55){return true;}}}return false;},removeListener:function(el,_56,fn,_57){if(!fn||!fn.call){return false;}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],_56,fn)&&ok);}return ok;}}if("unload"==_56){for(i=0,len=_20.length;i<len;i++){var li=_20[i];if(li&&li[0]==el&&li[1]==_56&&li[2]==fn){_20.splice(i,1);return true;}}return false;}var _58=null;if("undefined"==typeof _57){_57=this._getCacheIndex(el,_56,fn);}if(_57>=0){_58=_18[_57];}if(!el||!_58){return false;}if(this.useLegacyEvent(el,_56)){var _59=this.getLegacyIndex(el,_56);var _60=_22[_59];if(_60){for(i=0,len=_60.length;i<len;++i){li=_60[i];if(li&&li[this.EL]==el&&li[this.TYPE]==_56&&li[this.FN]==fn){_60.splice(i,1);}}}}else{if(el.removeEventListener){el.removeEventListener(_56,_58[this.WFN],false);}else{if(el.detachEvent){el.detachEvent("on"+_56,_58[this.WFN]);}}}delete _18[_57][this.WFN];delete _18[_57][this.FN];_18.splice(_57,1);return true;},getTarget:function(ev,_62){var t=ev.target||ev.srcElement;return this.resolveTextNode(t);},resolveTextNode:function(_64){if(_64&&_64.nodeName&&"#TEXT"==_64.nodeName.toUpperCase()){return _64.parentNode;}else{return _64;}},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.type=="keypress")?ev.keyCode:0);},_getCacheIndex:function(el,_68,fn){for(var i=0,len=_18.length;i<len;++i){var li=_18[i];if(li&&li[this.FN]==fn&&li[this.EL]==el&&li[this.TYPE]==_68){return i;}}return -1;},generateId:function(el){var id=el.id;if(!id){id="yuievtautoid-"+_26;++_26;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){_17=true;var EU=YAHOO.util.Event;EU._simpleRemove(window,"load",EU._load);},_tryPreloadAttach:function(){if(this.locked){return false;}this.locked=true;var _72=!_17;if(!_72){_72=(_23>0);}var _73=[];for(var i=0,len=_19.length;i<len;++i){var d=_19[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 _19[i];}else{_73.push(d);}}}_19=_73;var _75=[];for(i=0,len=_24.length;i<len;++i){var _76=_24[i];if(_76){el=this.getEl(_76.id);if(el){var _77=(_76.override)?_76.obj:el;_76.fn.call(_77,_76.obj);delete _24[i];}else{_75.push(_76);}}}_23=(_73.length===0&&_75.length===0)?0:_23-1;if(_72){this.startTimeout();}this.locked=false;return true;},purgeElement:function(el,_78,_79){var _80=this.getListeners(el,_79);if(_80){for(var i=0,len=_80.length;i<len;++i){var l=_80[i];this.removeListener(el,l.type,l.fn);}}if(_78&&el&&el.childNodes){for(i=0,len=el.childNodes.length;i<len;++i){this.purgeElement(el.childNodes[i],_78,_79);}}},getListeners:function(el,_82){var _83=[];if(_18&&_18.length>0){for(var i=0,len=_18.length;i<len;++i){var l=_18[i];if(l&&l[this.EL]===el&&(!_82||_82===l[this.TYPE])){_83.push({type:l[this.TYPE],fn:l[this.FN],obj:l[this.SCOPE],adjust:l[this.ADJ_SCOPE],index:i});}}}return (_83.length)?_83:null;},_unload:function(e){var EU=YAHOO.util.Event;for(var i=0,len=_20.length;i<len;++i){var l=_20[i];if(l){var _84=(l[EU.ADJ_SCOPE])?l[EU.SCOPE]:window;l[EU.FN].call(_84,EU.getEvent(e),l[EU.SCOPE]);delete _20[i];l=null;}}if(_18&&_18.length>0){var j=_18.length;while(j){var _86=j-1;l=_18[_86];if(l){EU.removeListener(l[EU.EL],l[EU.TYPE],l[EU.FN],_86);}l=null;j=j-1;}EU.clearCache();}for(i=0,len=_21.length;i<len;++i){delete _21[i][0];delete _21[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(el,_88,fn,_89){if(el.addEventListener){el.addEventListener(_88,fn,(_89));}else{if(el.attachEvent){el.attachEvent("on"+_88,fn);}}},_simpleRemove:function(el,_90,fn,_91){if(el.removeEventListener){el.removeEventListener(_90,fn,(_91));}else{if(el.detachEvent){el.detachEvent("on"+_90,fn);}}}};}();YAHOO.util.Event.on=YAHOO.util.Event.addListener;if(document&&document.body){YAHOO.util.Event._load();}else{YAHOO.util.Event._simpleAdd(window,"load",YAHOO.util.Event._load);}YAHOO.util.Event._simpleAdd(window,"unload",YAHOO.util.Event._unload);YAHOO.util.Event._tryPreloadAttach();}/* Copyright (c) 2006, Yahoo! Inc. All rights reserved.  Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt Version: 0.11.3 */
YAHOO.widget.AutoComplete=function(inputEl,containerEl,oDataSource,oConfigs){if(inputEl&&containerEl&&oDataSource){if(oDataSource&&(oDataSource instanceof YAHOO.widget.DataSource)){this.dataSource=oDataSource;}
else{return;}
if(YAHOO.util.Dom.inDocument(inputEl)){if(typeof inputEl=="string"){this._sName="instance"+YAHOO.widget.AutoComplete._nIndex+" "+inputEl;this._oTextbox=document.getElementById(inputEl);}
else{this._sName=(inputEl.id)?"instance"+YAHOO.widget.AutoComplete._nIndex+" "+inputEl.id:"instance"+YAHOO.widget.AutoComplete._nIndex;this._oTextbox=inputEl;}}
else{return;}
if(YAHOO.util.Dom.inDocument(containerEl)){if(typeof containerEl=="string"){this._oContainer=document.getElementById(containerEl);}
else{this._oContainer=containerEl;}
if(this._oContainer.style.display=="none"){}}
else{return;}
if(typeof oConfigs=="object"){for(var sConfig in oConfigs){if(sConfig){this[sConfig]=oConfigs[sConfig];}}}
this._initContainer();this._initProps();this._initList();this._initContainerHelpers();var oSelf=this;var oTextbox=this._oTextbox;var oContent=this._oContainer._oContent;YAHOO.util.Event.addListener(oTextbox,"keyup",oSelf._onTextboxKeyUp,oSelf);YAHOO.util.Event.addListener(oTextbox,"keydown",oSelf._onTextboxKeyDown,oSelf);YAHOO.util.Event.addListener(oTextbox,"keypress",oSelf._onTextboxKeyPress,oSelf);YAHOO.util.Event.addListener(oTextbox,"focus",oSelf._onTextboxFocus,oSelf);YAHOO.util.Event.addListener(oTextbox,"blur",oSelf._onTextboxBlur,oSelf);YAHOO.util.Event.addListener(oContent,"mouseover",oSelf._onContainerMouseover,oSelf);YAHOO.util.Event.addListener(oContent,"mouseout",oSelf._onContainerMouseout,oSelf);YAHOO.util.Event.addListener(oContent,"scroll",oSelf._onContainerScroll,oSelf);YAHOO.util.Event.addListener(oContent,"resize",oSelf._onContainerResize,oSelf);if(oTextbox.form){YAHOO.util.Event.addListener(oTextbox.form,"submit",oSelf._onFormSubmit,oSelf);}
this.textboxFocusEvent=new YAHOO.util.CustomEvent("textboxFocus",this);this.textboxKeyEvent=new YAHOO.util.CustomEvent("textboxKey",this);this.dataRequestEvent=new YAHOO.util.CustomEvent("dataRequest",this);this.dataReturnEvent=new YAHOO.util.CustomEvent("dataReturn",this);this.dataErrorEvent=new YAHOO.util.CustomEvent("dataError",this);this.containerExpandEvent=new YAHOO.util.CustomEvent("containerExpand",this);this.typeAheadEvent=new YAHOO.util.CustomEvent("typeAhead",this);this.itemMouseOverEvent=new YAHOO.util.CustomEvent("itemMouseOver",this);this.itemMouseOutEvent=new YAHOO.util.CustomEvent("itemMouseOut",this);this.itemArrowToEvent=new YAHOO.util.CustomEvent("itemArrowTo",this);this.itemArrowFromEvent=new YAHOO.util.CustomEvent("itemArrowFrom",this);this.itemSelectEvent=new YAHOO.util.CustomEvent("itemSelect",this);this.unmatchedItemSelectEvent=new YAHOO.util.CustomEvent("unmatchedItemSelect",this);this.selectionEnforceEvent=new YAHOO.util.CustomEvent("selectionEnforce",this);this.containerCollapseEvent=new YAHOO.util.CustomEvent("containerCollapse",this);this.textboxBlurEvent=new YAHOO.util.CustomEvent("textboxBlur",this);oTextbox.setAttribute("autocomplete","off");YAHOO.widget.AutoComplete._nIndex++;}
else{}};YAHOO.widget.AutoComplete.prototype.dataSource=null;YAHOO.widget.AutoComplete.prototype.minQueryLength=1;YAHOO.widget.AutoComplete.prototype.maxResultsDisplayed=10;YAHOO.widget.AutoComplete.prototype.queryDelay=0.5;YAHOO.widget.AutoComplete.prototype.highlightClassName="yui-ac-highlight";YAHOO.widget.AutoComplete.prototype.prehighlightClassName=null;YAHOO.widget.AutoComplete.prototype.delimChar=null;YAHOO.widget.AutoComplete.prototype.autoHighlight=true;YAHOO.widget.AutoComplete.prototype.typeAhead=false;YAHOO.widget.AutoComplete.prototype.animHoriz=false;YAHOO.widget.AutoComplete.prototype.animVert=true;YAHOO.widget.AutoComplete.prototype.animSpeed=0.3;YAHOO.widget.AutoComplete.prototype.forceSelection=false;YAHOO.widget.AutoComplete.prototype.allowBrowserAutocomplete=true;YAHOO.widget.AutoComplete.prototype.alwaysShowContainer=false;YAHOO.widget.AutoComplete.prototype.useIFrame=false;YAHOO.widget.AutoComplete.prototype.useShadow=false;YAHOO.widget.AutoComplete.prototype.toString=function(){return"AutoComplete "+this._sName;};YAHOO.widget.AutoComplete.prototype.getListItems=function(){return this._aListItems;};YAHOO.widget.AutoComplete.prototype.getListItemData=function(oListItem){if(oListItem._oResultData){return oListItem._oResultData;}
else{return false;}};YAHOO.widget.AutoComplete.prototype.setHeader=function(sHeader){if(sHeader){if(this._oContainer._oContent._oHeader){this._oContainer._oContent._oHeader.innerHTML=sHeader;this._oContainer._oContent._oHeader.style.display="block";}}
else{this._oContainer._oContent._oHeader.innerHTML="";this._oContainer._oContent._oHeader.style.display="none";}};YAHOO.widget.AutoComplete.prototype.setFooter=function(sFooter){if(sFooter){if(this._oContainer._oContent._oFooter){this._oContainer._oContent._oFooter.innerHTML=sFooter;this._oContainer._oContent._oFooter.style.display="block";}}
else{this._oContainer._oContent._oFooter.innerHTML="";this._oContainer._oContent._oFooter.style.display="none";}};YAHOO.widget.AutoComplete.prototype.setBody=function(sBody){if(sBody){if(this._oContainer._oContent._oBody){this._oContainer._oContent._oBody.innerHTML=sBody;this._oContainer._oContent._oBody.style.display="block";this._oContainer._oContent.style.display="block";}}
else{this._oContainer._oContent._oBody.innerHTML="";this._oContainer._oContent.style.display="none";}
this._maxResultsDisplayed=0;};YAHOO.widget.AutoComplete.prototype.formatResult=function(oResultItem,sQuery){var sResult=oResultItem[0];if(sResult){return sResult;}
else{return"";}};YAHOO.widget.AutoComplete.prototype.sendQuery=function(sQuery){if(sQuery){this._sendQuery(sQuery);}
else{return;}};YAHOO.widget.AutoComplete.prototype.textboxFocusEvent=null;YAHOO.widget.AutoComplete.prototype.textboxKeyEvent=null;YAHOO.widget.AutoComplete.prototype.dataRequestEvent=null;YAHOO.widget.AutoComplete.prototype.dataReturnEvent=null;YAHOO.widget.AutoComplete.prototype.dataErrorEvent=null;YAHOO.widget.AutoComplete.prototype.containerExpandEvent=null;YAHOO.widget.AutoComplete.prototype.typeAheadEvent=null;YAHOO.widget.AutoComplete.prototype.itemMouseOverEvent=null;YAHOO.widget.AutoComplete.prototype.itemMouseOutEvent=null;YAHOO.widget.AutoComplete.prototype.itemArrowToEvent=null;YAHOO.widget.AutoComplete.prototype.itemArrowFromEvent=null;YAHOO.widget.AutoComplete.prototype.itemSelectEvent=null;YAHOO.widget.AutoComplete.prototype.unmatchedItemSelectEvent=null;YAHOO.widget.AutoComplete.prototype.selectionEnforceEvent=null;YAHOO.widget.AutoComplete.prototype.containerCollapseEvent=null;YAHOO.widget.AutoComplete.prototype.textboxBlurEvent=null;YAHOO.widget.AutoComplete._nIndex=0;YAHOO.widget.AutoComplete.prototype._sName=null;YAHOO.widget.AutoComplete.prototype._oTextbox=null;YAHOO.widget.AutoComplete.prototype._bFocused=true;YAHOO.widget.AutoComplete.prototype._oAnim=null;YAHOO.widget.AutoComplete.prototype._oContainer=null;YAHOO.widget.AutoComplete.prototype._bContainerOpen=false;YAHOO.widget.AutoComplete.prototype._bOverContainer=false;YAHOO.widget.AutoComplete.prototype._aListItems=null;YAHOO.widget.AutoComplete.prototype._nDisplayedItems=0;YAHOO.widget.AutoComplete.prototype._maxResultsDisplayed=0;YAHOO.widget.AutoComplete.prototype._sCurQuery=null;YAHOO.widget.AutoComplete.prototype._sSavedQuery=null;YAHOO.widget.AutoComplete.prototype._oCurItem=null;YAHOO.widget.AutoComplete.prototype._bItemSelected=false;YAHOO.widget.AutoComplete.prototype._nKeyCode=null;YAHOO.widget.AutoComplete.prototype._nDelayID=-1;YAHOO.widget.AutoComplete.prototype._iFrameSrc="javascript:false;";YAHOO.widget.AutoComplete.prototype._initProps=function(){var minQueryLength=this.minQueryLength;if(isNaN(minQueryLength)||(minQueryLength<1)){minQueryLength=1;}
var maxResultsDisplayed=this.maxResultsDisplayed;if(isNaN(this.maxResultsDisplayed)||(this.maxResultsDisplayed<1)){this.maxResultsDisplayed=10;}
var queryDelay=this.queryDelay;if(isNaN(this.queryDelay)||(this.queryDelay<0)){this.queryDelay=0.5;}
var aDelimChar=(this.delimChar)?this.delimChar:null;if(aDelimChar){if(typeof aDelimChar=="string"){this.delimChar=[aDelimChar];}
else if(aDelimChar.constructor!=Array){this.delimChar=null;}}
var animSpeed=this.animSpeed;if((this.animHoriz||this.animVert)&&YAHOO.util.Anim){if(isNaN(animSpeed)||(animSpeed<0)){animSpeed=0.3;}
if(!this._oAnim){oAnim=new YAHOO.util.Anim(this._oContainer._oContent,{},this.animSpeed);this._oAnim=oAnim;}
else{this._oAnim.duration=animSpeed;}}
if(this.forceSelection&&this.delimChar){}
if(this.alwaysShowContainer&&(this.useShadow||this.useIFrame)){}
if(this.alwaysShowContainer){this._bContainerOpen=true;}};YAHOO.widget.AutoComplete.prototype._initContainerHelpers=function(){if(this.useShadow&&!this._oContainer._oShadow){var oShadow=document.createElement("div");oShadow.className="yui-ac-shadow";this._oContainer._oShadow=this._oContainer.appendChild(oShadow);}
if(this.useIFrame&&!this._oContainer._oIFrame){var oIFrame=document.createElement("iframe");oIFrame.src=this._iFrameSrc;oIFrame.frameBorder=0;oIFrame.scrolling="no";oIFrame.style.position="absolute";oIFrame.style.width="100%";oIFrame.style.height="100%";this._oContainer._oIFrame=this._oContainer.appendChild(oIFrame);}};YAHOO.widget.AutoComplete.prototype._initContainer=function(){if(!this._oContainer._oContent){var oContent=document.createElement("div");oContent.className="yui-ac-content";oContent.style.display="none";this._oContainer._oContent=this._oContainer.appendChild(oContent);var oHeader=document.createElement("div");oHeader.className="yui-ac-hd";oHeader.style.display="none";this._oContainer._oContent._oHeader=this._oContainer._oContent.appendChild(oHeader);var oBody=document.createElement("div");oBody.className="yui-ac-bd";this._oContainer._oContent._oBody=this._oContainer._oContent.appendChild(oBody);var oFooter=document.createElement("div");oFooter.className="yui-ac-ft";oFooter.style.display="none";this._oContainer._oContent._oFooter=this._oContainer._oContent.appendChild(oFooter);}
else{}};YAHOO.widget.AutoComplete.prototype._initList=function(){this._aListItems=[];while(this._oContainer._oContent._oBody.hasChildNodes()){var oldListItems=this.getListItems();if(oldListItems){for(var oldi=oldListItems.length-1;oldi>=0;i--){oldListItems[oldi]=null;}}
this._oContainer._oContent._oBody.innerHTML="";}
var oList=document.createElement("ul");oList=this._oContainer._oContent._oBody.appendChild(oList);for(var i=0;i<this.maxResultsDisplayed;i++){var oItem=document.createElement("li");oItem=oList.appendChild(oItem);this._aListItems[i]=oItem;this._initListItem(oItem,i);}
this._maxResultsDisplayed=this.maxResultsDisplayed;};YAHOO.widget.AutoComplete.prototype._initListItem=function(oItem,nItemIndex){var oSelf=this;oItem.style.display="none";oItem._nItemIndex=nItemIndex;oItem.mouseover=oItem.mouseout=oItem.onclick=null;YAHOO.util.Event.addListener(oItem,"mouseover",oSelf._onItemMouseover,oSelf);YAHOO.util.Event.addListener(oItem,"mouseout",oSelf._onItemMouseout,oSelf);YAHOO.util.Event.addListener(oItem,"click",oSelf._onItemMouseclick,oSelf);};YAHOO.widget.AutoComplete.prototype._onItemMouseover=function(v,oSelf){if(oSelf.prehighlightClassName){oSelf._togglePrehighlight(this,"mouseover");}
else{oSelf._toggleHighlight(this,"to");}
oSelf.itemMouseOverEvent.fire(oSelf,this);};YAHOO.widget.AutoComplete.prototype._onItemMouseout=function(v,oSelf){if(oSelf.prehighlightClassName){oSelf._togglePrehighlight(this,"mouseout");}
else{oSelf._toggleHighlight(this,"from");}
oSelf.itemMouseOutEvent.fire(oSelf,this);};YAHOO.widget.AutoComplete.prototype._onItemMouseclick=function(v,oSelf){oSelf._toggleHighlight(this,"to");oSelf._selectItem(this);};YAHOO.widget.AutoComplete.prototype._onContainerMouseover=function(v,oSelf){oSelf._bOverContainer=true;};YAHOO.widget.AutoComplete.prototype._onContainerMouseout=function(v,oSelf){oSelf._bOverContainer=false;if(oSelf._oCurItem){oSelf._toggleHighlight(oSelf._oCurItem,"to");}};YAHOO.widget.AutoComplete.prototype._onContainerScroll=function(v,oSelf){oSelf._oTextbox.focus();};YAHOO.widget.AutoComplete.prototype._onContainerResize=function(v,oSelf){oSelf._toggleContainerHelpers(oSelf._bContainerOpen);};YAHOO.widget.AutoComplete.prototype._onTextboxKeyDown=function(v,oSelf){var nKeyCode=v.keyCode;switch(nKeyCode){case 9:if(oSelf.delimChar&&(oSelf._nKeyCode!=nKeyCode)){if(oSelf._bContainerOpen){YAHOO.util.Event.stopEvent(v);}}
if(oSelf._oCurItem){oSelf._selectItem(oSelf._oCurItem);}
else{oSelf._clearList();}
break;case 13:if(oSelf._nKeyCode!=nKeyCode){if(oSelf._bContainerOpen){YAHOO.util.Event.stopEvent(v);}}
if(oSelf._oCurItem){oSelf._selectItem(oSelf._oCurItem);}
else{oSelf._clearList();}
break;case 27:oSelf._clearList();return;case 39:oSelf._jumpSelection();break;case 38:YAHOO.util.Event.stopEvent(v);oSelf._moveSelection(nKeyCode);break;case 40:YAHOO.util.Event.stopEvent(v);oSelf._moveSelection(nKeyCode);break;default:break;}};YAHOO.widget.AutoComplete.prototype._onTextboxKeyPress=function(v,oSelf){var nKeyCode=v.keyCode;switch(nKeyCode){case 9:case 13:if((oSelf._nKeyCode!=nKeyCode)){YAHOO.util.Event.stopEvent(v);}
break;case 38:case 40:YAHOO.util.Event.stopEvent(v);break;default:break;}};YAHOO.widget.AutoComplete.prototype._onTextboxKeyUp=function(v,oSelf){oSelf._initProps();var nKeyCode=v.keyCode;oSelf._nKeyCode=nKeyCode;var sChar=String.fromCharCode(nKeyCode);var sText=this.value;if(oSelf._isIgnoreKey(nKeyCode)||(sText.toLowerCase()==oSelf._sCurQuery)){return;}
else{oSelf.textboxKeyEvent.fire(oSelf,nKeyCode);}
if(oSelf.queryDelay>0){var nDelayID=setTimeout(function(){oSelf._sendQuery(sText);},(oSelf.queryDelay*1000));if(oSelf._nDelayID!=-1){clearTimeout(oSelf._nDelayID);}
oSelf._nDelayID=nDelayID;}
else{oSelf._sendQuery(sText);}};YAHOO.widget.AutoComplete.prototype._isIgnoreKey=function(nKeyCode){if((nKeyCode==9)||(nKeyCode==13)||(nKeyCode==16)||(nKeyCode==17)||(nKeyCode>=18&&nKeyCode<=20)||(nKeyCode==27)||(nKeyCode>=33&&nKeyCode<=35)||(nKeyCode>=36&&nKeyCode<=38)||(nKeyCode==40)||(nKeyCode>=44&&nKeyCode<=45)){return true;}
return false;};YAHOO.widget.AutoComplete.prototype._onTextboxFocus=function(v,oSelf){oSelf._oTextbox.setAttribute("autocomplete","off");oSelf._bFocused=true;oSelf.textboxFocusEvent.fire(oSelf);};YAHOO.widget.AutoComplete.prototype._onTextboxBlur=function(v,oSelf){if(!oSelf._bOverContainer||(oSelf._nKeyCode==9)){if(!oSelf._bItemSelected){if(!oSelf._bContainerOpen||(oSelf._bContainerOpen&&!oSelf._textMatchesOption())){if(oSelf.forceSelection){oSelf._clearSelection();}
else{oSelf.unmatchedItemSelectEvent.fire(oSelf,oSelf._sCurQuery);}}}
if(oSelf._bContainerOpen){oSelf._clearList();}
oSelf._bFocused=false;oSelf.textboxBlurEvent.fire(oSelf);}};YAHOO.widget.AutoComplete.prototype._onFormSubmit=function(v,oSelf){if(oSelf.allowBrowserAutocomplete){oSelf._oTextbox.setAttribute("autocomplete","on");}
else{oSelf._oTextbox.setAttribute("autocomplete","off");}};YAHOO.widget.AutoComplete.prototype._sendQuery=function(sQuery){var aDelimChar=(this.delimChar)?this.delimChar:null;if(aDelimChar){var nDelimIndex=-1;for(var i=aDelimChar.length-1;i>=0;i--){var nNewIndex=sQuery.lastIndexOf(aDelimChar[i]);if(nNewIndex>nDelimIndex){nDelimIndex=nNewIndex;}}
if(aDelimChar[i]==" "){for(var j=aDelimChar.length-1;j>=0;j--){if(sQuery[nDelimIndex-1]==aDelimChar[j]){nDelimIndex--;break;}}}
if(nDelimIndex>-1){var nQueryStart=nDelimIndex+1;while(sQuery.charAt(nQueryStart)==" "){nQueryStart+=1;}
this._sSavedQuery=sQuery.substring(0,nQueryStart);sQuery=sQuery.substr(nQueryStart);}
else if(sQuery.indexOf(this._sSavedQuery)<0){this._sSavedQuery=null;}}
if(sQuery.length<this.minQueryLength){if(this._nDelayID!=-1){clearTimeout(this._nDelayID);}
this._clearList();return;}
sQuery=encodeURIComponent(sQuery);this._nDelayID=-1;this.dataRequestEvent.fire(this,sQuery);this.dataSource.getResults(this._populateList,sQuery,this);};YAHOO.widget.AutoComplete.prototype._clearList=function(){this._oContainer._oContent.scrollTop=0;var aItems=this._aListItems;if(aItems&&(aItems.length>0)){for(var i=aItems.length-1;i>=0;i--){aItems[i].style.display="none";}}
if(this._oCurItem){this._toggleHighlight(this._oCurItem,"from");}
this._oCurItem=null;this._nDisplayedItems=0;this._sCurQuery=null;this._toggleContainer(false);};YAHOO.widget.AutoComplete.prototype._populateList=function(sQuery,aResults,oSelf){if(aResults===null){oSelf.dataErrorEvent.fire(oSelf,sQuery);}
if(!oSelf._bFocused||!aResults){return;}
var isOpera=(navigator.userAgent.toLowerCase().indexOf("opera")!=-1);var contentStyle=oSelf._oContainer._oContent.style;contentStyle.width=(!isOpera)?null:"";contentStyle.height=(!isOpera)?null:"";var sCurQuery=decodeURIComponent(sQuery);oSelf._sCurQuery=sCurQuery;oSelf._bItemSelected=false;if(oSelf._maxResultsDisplayed!=oSelf.maxResultsDisplayed){oSelf._initList();}
var nItems=Math.min(aResults.length,oSelf.maxResultsDisplayed);oSelf._nDisplayedItems=nItems;if(nItems>0){oSelf._initContainerHelpers();var aItems=oSelf._aListItems;for(var i=nItems-1;i>=0;i--){var oItemi=aItems[i];var oResultItemi=aResults[i];oItemi.innerHTML=oSelf.formatResult(oResultItemi,sCurQuery);oItemi.style.display="list-item";oItemi._sResultKey=oResultItemi[0];oItemi._oResultData=oResultItemi;}
for(var j=aItems.length-1;j>=nItems;j--){var oItemj=aItems[j];oItemj.innerHTML=null;oItemj.style.display="none";oItemj._sResultKey=null;oItemj._oResultData=null;}
if(oSelf.autoHighlight){var oFirstItem=aItems[0];oSelf._toggleHighlight(oFirstItem,"to");oSelf.itemArrowToEvent.fire(oSelf,oFirstItem);oSelf._typeAhead(oFirstItem,sQuery);}
else{oSelf._oCurItem=null;}
oSelf._toggleContainer(true);}
else{oSelf._clearList();}
oSelf.dataReturnEvent.fire(oSelf,sQuery,aResults);};YAHOO.widget.AutoComplete.prototype._clearSelection=function(){var sValue=this._oTextbox.value;var sChar=(this.delimChar)?this.delimChar[0]:null;var nIndex=(sChar)?sValue.lastIndexOf(sChar,sValue.length-2):-1;if(nIndex>-1){this._oTextbox.value=sValue.substring(0,nIndex);}
else{this._oTextbox.value="";}
this._sSavedQuery=this._oTextbox.value;this.selectionEnforceEvent.fire(this);};YAHOO.widget.AutoComplete.prototype._textMatchesOption=function(){var foundMatch=false;for(var i=this._nDisplayedItems-1;i>=0;i--){var oItem=this._aListItems[i];var sMatch=oItem._sResultKey.toLowerCase();if(sMatch==this._sCurQuery.toLowerCase()){foundMatch=true;break;}}
return(foundMatch);};YAHOO.widget.AutoComplete.prototype._typeAhead=function(oItem,sQuery){if(!this.typeAhead){return;}
var oTextbox=this._oTextbox;var sValue=this._oTextbox.value;if(!oTextbox.setSelectionRange&&!oTextbox.createTextRange){return;}
var nStart=sValue.length;this._updateValue(oItem);var nEnd=oTextbox.value.length;this._selectText(oTextbox,nStart,nEnd);var sPrefill=oTextbox.value.substr(nStart,nEnd);this.typeAheadEvent.fire(this,sQuery,sPrefill);};YAHOO.widget.AutoComplete.prototype._selectText=function(oTextbox,nStart,nEnd){if(oTextbox.setSelectionRange){oTextbox.setSelectionRange(nStart,nEnd);}
else if(oTextbox.createTextRange){var oTextRange=oTextbox.createTextRange();oTextRange.moveStart("character",nStart);oTextRange.moveEnd("character",nEnd-oTextbox.value.length);oTextRange.select();}
else{oTextbox.select();}};YAHOO.widget.AutoComplete.prototype._toggleContainerHelpers=function(bShow){var bFireEvent=false;var width=this._oContainer._oContent.offsetWidth+"px";var height=this._oContainer._oContent.offsetHeight+"px";if(this.useIFrame&&this._oContainer._oIFrame){bFireEvent=true;if(this.alwaysShowContainer||bShow){this._oContainer._oIFrame.style.width=width;this._oContainer._oIFrame.style.height=height;}
else{this._oContainer._oIFrame.style.width=0;this._oContainer._oIFrame.style.height=0;}}
if(this.useShadow&&this._oContainer._oShadow){bFireEvent=true;if(this.alwaysShowContainer||bShow){this._oContainer._oShadow.style.width=width;this._oContainer._oShadow.style.height=height;}
else{this._oContainer._oShadow.style.width=0;this._oContainer._oShadow.style.height=0;}}};YAHOO.widget.AutoComplete.prototype._toggleContainer=function(bShow){if(this.alwaysShowContainer){if(bShow){this.containerExpandEvent.fire(this);}
else{this.containerCollapseEvent.fire(this);}
this._bContainerOpen=bShow;return;}
var oContainer=this._oContainer;if(!bShow&&!this._bContainerOpen){oContainer._oContent.style.display="none";return;}
var oAnim=this._oAnim;if(oAnim&&oAnim.getEl()&&(this.animHoriz||this.animVert)){if(!bShow){this._toggleContainerHelpers(bShow);}
if(oAnim.isAnimated()){oAnim.stop();}
var oClone=oContainer._oContent.cloneNode(true);oContainer.appendChild(oClone);oClone.style.top="-9000px";oClone.style.display="block";var wExp=oClone.offsetWidth;var hExp=oClone.offsetHeight;var wColl=(this.animHoriz)?0:wExp;var hColl=(this.animVert)?0:hExp;oAnim.attributes=(bShow)?{width:{to:wExp},height:{to:hExp}}:{width:{to:wColl},height:{to:hColl}};if(bShow&&!this._bContainerOpen){oContainer._oContent.style.width=wColl+"px";oContainer._oContent.style.height=hColl+"px";}
else{oContainer._oContent.style.width=wExp+"px";oContainer._oContent.style.height=hExp+"px";}
oContainer.removeChild(oClone);oClone=null;var oSelf=this;var onAnimComplete=function(){oAnim.onComplete.unsubscribeAll();if(bShow){oSelf.containerExpandEvent.fire(oSelf);}
else{oContainer._oContent.style.display="none";oSelf.containerCollapseEvent.fire(oSelf);}
oSelf._toggleContainerHelpers(bShow);};oContainer._oContent.style.display="block";oAnim.onComplete.subscribe(onAnimComplete);oAnim.animate();this._bContainerOpen=bShow;}
else{if(bShow){oContainer._oContent.style.display="block";this.containerExpandEvent.fire(this);}
else{oContainer._oContent.style.display="none";this.containerCollapseEvent.fire(this);}
this._toggleContainerHelpers(bShow);this._bContainerOpen=bShow;}};YAHOO.widget.AutoComplete.prototype._toggleHighlight=function(oNewItem,sType){var sHighlight=this.highlightClassName;if(this._oCurItem){YAHOO.util.Dom.removeClass(this._oCurItem,sHighlight);}
if((sType=="to")&&sHighlight){YAHOO.util.Dom.addClass(oNewItem,sHighlight);this._oCurItem=oNewItem;}};YAHOO.widget.AutoComplete.prototype._togglePrehighlight=function(oNewItem,sType){if(oNewItem==this._oCurItem){return;}
var sPrehighlight=this.prehighlightClassName;if((sType=="mouseover")&&sPrehighlight){YAHOO.util.Dom.addClass(oNewItem,sPrehighlight);}
else{YAHOO.util.Dom.removeClass(oNewItem,sPrehighlight);}};YAHOO.widget.AutoComplete.prototype._updateValue=function(oItem){var oTextbox=this._oTextbox;var sDelimChar=(this.delimChar)?this.delimChar[0]:null;var sSavedQuery=this._sSavedQuery;var sResultKey=oItem._sResultKey;oTextbox.focus();oTextbox.value="";if(sDelimChar){if(sSavedQuery){oTextbox.value=sSavedQuery;}
oTextbox.value+=sResultKey+sDelimChar;if(sDelimChar!=" "){oTextbox.value+=" ";}}
else{oTextbox.value=sResultKey;}
if(oTextbox.type=="textarea"){oTextbox.scrollTop=oTextbox.scrollHeight;}
var end=oTextbox.value.length;this._selectText(oTextbox,end,end);this._oCurItem=oItem;};YAHOO.widget.AutoComplete.prototype._selectItem=function(oItem){this._bItemSelected=true;this._updateValue(oItem);this.itemSelectEvent.fire(this,oItem,oItem._oResultData);this._clearList();};YAHOO.widget.AutoComplete.prototype._jumpSelection=function(){if(!this.typeAhead){return;}
else{this._clearList();}};YAHOO.widget.AutoComplete.prototype._moveSelection=function(nKeyCode){if(this._bContainerOpen){var oCurItem=this._oCurItem;var nCurItemIndex=-1;if(oCurItem){nCurItemIndex=oCurItem._nItemIndex;}
var nNewItemIndex=(nKeyCode==40)?(nCurItemIndex+1):(nCurItemIndex-1);if(nNewItemIndex<-2||nNewItemIndex>=this._nDisplayedItems){return;}
if(oCurItem){this._toggleHighlight(oCurItem,"from");this.itemArrowFromEvent.fire(this,oCurItem);}
if(nNewItemIndex==-1){if(this.delimChar&&this._sSavedQuery){if(!this._textMatchesOption()){this._oTextbox.value=this._sSavedQuery;}
else{this._oTextbox.value=this._sSavedQuery+this._sCurQuery;}}
else{this._oTextbox.value=this._sCurQuery;}
this._oCurItem=null;return;}
if(nNewItemIndex==-2){this._clearList();return;}
var oNewItem=this._aListItems[nNewItemIndex];var oContent=this._oContainer._oContent;var scrollOn=((YAHOO.util.Dom.getStyle(oContent,"overflow")=="auto")||(YAHOO.util.Dom.getStyle(oContent,"overflowY")=="auto"));if(scrollOn&&(nNewItemIndex>-1)&&(nNewItemIndex<this._nDisplayedItems)){if(nKeyCode==40){if((oNewItem.offsetTop+oNewItem.offsetHeight)>(oContent.scrollTop+oContent.offsetHeight)){oContent.scrollTop=(oNewItem.offsetTop+oNewItem.offsetHeight)-oContent.offsetHeight;}
else if((oNewItem.offsetTop+oNewItem.offsetHeight)<oContent.scrollTop){oContent.scrollTop=oNewItem.offsetTop;}}
else{if(oNewItem.offsetTop<oContent.scrollTop){this._oContainer._oContent.scrollTop=oNewItem.offsetTop;}
else if(oNewItem.offsetTop>(oContent.scrollTop+oContent.offsetHeight)){this._oContainer._oContent.scrollTop=(oNewItem.offsetTop+oNewItem.offsetHeight)-oContent.offsetHeight;}}}
this._toggleHighlight(oNewItem,"to");this.itemArrowToEvent.fire(this,oNewItem);if(this.typeAhead){this._updateValue(oNewItem);}}};YAHOO.widget.DataSource=function(){};YAHOO.widget.DataSource.prototype.ERROR_DATANULL="Response data was null";YAHOO.widget.DataSource.prototype.ERROR_DATAPARSE="Response data could not be parsed";YAHOO.widget.DataSource.prototype.maxCacheEntries=15;YAHOO.widget.DataSource.prototype.queryMatchContains=false;YAHOO.widget.DataSource.prototype.queryMatchSubset=false;YAHOO.widget.DataSource.prototype.queryMatchCase=false;YAHOO.widget.DataSource.prototype.getName=function(){return this._sName;};YAHOO.widget.DataSource.prototype.toString=function(){return"DataSource "+this._sName;};YAHOO.widget.DataSource.prototype.getResults=function(oCallbackFn,sQuery,oParent){var aResults=this._doQueryCache(oCallbackFn,sQuery,oParent);if(aResults.length===0){this.queryEvent.fire(this,oParent,sQuery);this.doQuery(oCallbackFn,sQuery,oParent);}};YAHOO.widget.DataSource.prototype.doQuery=function(oCallbackFn,sQuery,oParent){};YAHOO.widget.DataSource.prototype.flushCache=function(){if(this._aCache){this._aCache=[];}
if(this._aCacheHelper){this._aCacheHelper=[];}
this.cacheFlushEvent.fire(this);};YAHOO.widget.DataSource.prototype.queryEvent=null;YAHOO.widget.DataSource.prototype.cacheQueryEvent=null;YAHOO.widget.DataSource.prototype.getResultsEvent=null;YAHOO.widget.DataSource.prototype.getCachedResultsEvent=null;YAHOO.widget.DataSource.prototype.dataErrorEvent=null;YAHOO.widget.DataSource.prototype.cacheFlushEvent=null;YAHOO.widget.DataSource._nIndex=0;YAHOO.widget.DataSource.prototype._sName=null;YAHOO.widget.DataSource.prototype._aCache=null;YAHOO.widget.DataSource.prototype._init=function(){var maxCacheEntries=this.maxCacheEntries;if(isNaN(maxCacheEntries)||(maxCacheEntries<0)){maxCacheEntries=0;}
if(maxCacheEntries>0&&!this._aCache){this._aCache=[];}
this._sName="instance"+YAHOO.widget.DataSource._nIndex;YAHOO.widget.DataSource._nIndex++;this.queryEvent=new YAHOO.util.CustomEvent("query",this);this.cacheQueryEvent=new YAHOO.util.CustomEvent("cacheQuery",this);this.getResultsEvent=new YAHOO.util.CustomEvent("getResults",this);this.getCachedResultsEvent=new YAHOO.util.CustomEvent("getCachedResults",this);this.dataErrorEvent=new YAHOO.util.CustomEvent("dataError",this);this.cacheFlushEvent=new YAHOO.util.CustomEvent("cacheFlush",this);};YAHOO.widget.DataSource.prototype._addCacheElem=function(resultObj){var aCache=this._aCache;if(!aCache||!resultObj||!resultObj.query||!resultObj.results){return;}
if(aCache.length>=this.maxCacheEntries){aCache.shift();}
aCache.push(resultObj);};YAHOO.widget.DataSource.prototype._doQueryCache=function(oCallbackFn,sQuery,oParent){var aResults=[];var bMatchFound=false;var aCache=this._aCache;var nCacheLength=(aCache)?aCache.length:0;var bMatchContains=this.queryMatchContains;if((this.maxCacheEntries>0)&&aCache&&(nCacheLength>0)){this.cacheQueryEvent.fire(this,oParent,sQuery);if(!this.queryMatchCase){var sOrigQuery=sQuery;sQuery=sQuery.toLowerCase();}
for(var i=nCacheLength-1;i>=0;i--){var resultObj=aCache[i];var aAllResultItems=resultObj.results;var matchKey=(!this.queryMatchCase)?encodeURIComponent(resultObj.query.toLowerCase()):encodeURIComponent(resultObj.query);if(matchKey==sQuery){bMatchFound=true;aResults=aAllResultItems;if(i!=nCacheLength-1){aCache.splice(i,1);this._addCacheElem(resultObj);}
break;}
else if(this.queryMatchSubset){for(var j=sQuery.length-1;j>=0;j--){var subQuery=sQuery.substr(0,j);if(matchKey==subQuery){bMatchFound=true;for(var k=aAllResultItems.length-1;k>=0;k--){var aRecord=aAllResultItems[k];var sKeyIndex=(this.queryMatchCase)?encodeURIComponent(aRecord[0]).indexOf(sQuery):encodeURIComponent(aRecord[0]).toLowerCase().indexOf(sQuery);if((!bMatchContains&&(sKeyIndex===0))||(bMatchContains&&(sKeyIndex>-1))){aResults.unshift(aRecord);}}
resultObj={};resultObj.query=sQuery;resultObj.results=aResults;this._addCacheElem(resultObj);break;}}
if(bMatchFound){break;}}}
if(bMatchFound){this.getCachedResultsEvent.fire(this,oParent,sOrigQuery,aResults);oCallbackFn(sOrigQuery,aResults,oParent);}}
return aResults;};YAHOO.widget.DS_XHR=function(sScriptURI,aSchema,oConfigs){if(typeof oConfigs=="object"){for(var sConfig in oConfigs){this[sConfig]=oConfigs[sConfig];}}
if(!aSchema||(aSchema.constructor!=Array)){return;}
else{this.schema=aSchema;}
this.scriptURI=sScriptURI;this._init();};YAHOO.widget.DS_XHR.prototype=new YAHOO.widget.DataSource();YAHOO.widget.DS_XHR.prototype.TYPE_JSON=0;YAHOO.widget.DS_XHR.prototype.TYPE_XML=1;YAHOO.widget.DS_XHR.prototype.TYPE_FLAT=2;YAHOO.widget.DS_XHR.prototype.ERROR_DATAXHR="XHR response failed";YAHOO.widget.DS_XHR.prototype.connTimeout=0;YAHOO.widget.DS_XHR.prototype.scriptURI=null;YAHOO.widget.DS_XHR.prototype.scriptQueryParam="query";YAHOO.widget.DS_XHR.prototype.scriptQueryAppend="";YAHOO.widget.DS_XHR.prototype.responseType=YAHOO.widget.DS_XHR.prototype.TYPE_JSON;YAHOO.widget.DS_XHR.prototype.responseStripAfter="\n<!--";YAHOO.widget.DS_XHR.prototype.doQuery=function(oCallbackFn,sQuery,oParent){var isXML=(this.responseType==this.TYPE_XML);var sUri=this.scriptURI+"?"+this.scriptQueryParam+"="+sQuery;if(this.scriptQueryAppend.length>0){sUri+="&"+this.scriptQueryAppend;}
var oResponse=null;var oSelf=this;var responseSuccess=function(oResp){if(!oSelf._oConn||(oResp.tId!=oSelf._oConn.tId)){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,oSelf.ERROR_DATANULL);return;}
for(var foo in oResp){}
if(!isXML){oResp=oResp.responseText;}
else{oResp=oResp.responseXML;}
if(oResp===null){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,oSelf.ERROR_DATANULL);return;}
var aResults=oSelf.parseResponse(sQuery,oResp,oParent);var resultObj={};resultObj.query=decodeURIComponent(sQuery);resultObj.results=aResults;if(aResults===null){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,oSelf.ERROR_DATAPARSE);return;}
else{oSelf.getResultsEvent.fire(oSelf,oParent,sQuery,aResults);oSelf._addCacheElem(resultObj);oCallbackFn(sQuery,aResults,oParent);}};var responseFailure=function(oResp){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,oSelf.ERROR_DATAXHR);return;};var oCallback={success:responseSuccess,failure:responseFailure};if(!isNaN(this.connTimeout)&&this.connTimeout>0){oCallback.timeout=this.connTimeout;}
if(this._oConn){YAHOO.util.Connect.abort(this._oConn);}
oSelf._oConn=YAHOO.util.Connect.asyncRequest("GET",sUri,oCallback,null);};YAHOO.widget.DS_XHR.prototype.parseResponse=function(sQuery,oResponse,oParent){var aSchema=this.schema;var aResults=[];var bError=false;var nEnd=((this.responseStripAfter!=="")&&(oResponse.indexOf))?oResponse.indexOf(this.responseStripAfter):-1;if(nEnd!=-1){oResponse=oResponse.substring(0,nEnd);}
switch(this.responseType){case this.TYPE_JSON:var jsonList;if(window.JSON&&(navigator.userAgent.toLowerCase().indexOf('khtml')==-1)){var jsonObjParsed=JSON.parse(oResponse);if(!jsonObjParsed){bError=true;break;}
else{jsonList=eval("jsonObjParsed."+aSchema[0]);}}
else{try{while(oResponse.substring(0,1)==" "){oResponse=oResponse.substring(1,oResponse.length);}
if(oResponse.indexOf("{")<0){bError=true;break;}
if(oResponse.indexOf("{}")===0){break;}
var jsonObjRaw=eval("("+oResponse+")");if(!jsonObjRaw){bError=true;break;}
jsonList=eval("(jsonObjRaw."+aSchema[0]+")");}
catch(e){bError=true;break;}}
if(!jsonList){bError=true;break;}
if(jsonList.constructor!=Array){jsonList=[jsonList];}
for(var i=jsonList.length-1;i>=0;i--){var aResultItem=[];var jsonResult=jsonList[i];for(var j=aSchema.length-1;j>=1;j--){var dataFieldValue=jsonResult[aSchema[j]];if(!dataFieldValue){dataFieldValue="";}
aResultItem.unshift(dataFieldValue);}
aResults.unshift(aResultItem);}
break;case this.TYPE_XML:var xmlList=oResponse.getElementsByTagName(aSchema[0]);if(!xmlList){bError=true;break;}
for(var k=xmlList.length-1;k>=0;k--){var result=xmlList.item(k);var aFieldSet=[];for(var m=aSchema.length-1;m>=1;m--){var sValue=null;var xmlAttr=result.attributes.getNamedItem(aSchema[m]);if(xmlAttr){sValue=xmlAttr.value;}
else{var xmlNode=result.getElementsByTagName(aSchema[m]);if(xmlNode&&xmlNode.item(0)&&xmlNode.item(0).firstChild){sValue=xmlNode.item(0).firstChild.nodeValue;}
else{sValue="";}}
aFieldSet.unshift(sValue);}
aResults.unshift(aFieldSet);}
break;case this.TYPE_FLAT:if(oResponse.length>0){var newLength=oResponse.length-aSchema[0].length;if(oResponse.substr(newLength)==aSchema[0]){oResponse=oResponse.substr(0,newLength);}
var aRecords=oResponse.split(aSchema[0]);for(var n=aRecords.length-1;n>=0;n--){aResults[n]=aRecords[n].split(aSchema[1]);}}
break;default:break;}
sQuery=null;oResponse=null;oParent=null;if(bError){return null;}
else{return aResults;}};YAHOO.widget.DS_XHR.prototype._oConn=null;YAHOO.widget.DS_JSFunction=function(oFunction,oConfigs){if(typeof oConfigs=="object"){for(var sConfig in oConfigs){this[sConfig]=oConfigs[sConfig];}}
if(!oFunction||(oFunction.constructor!=Function)){return;}
else{this.dataFunction=oFunction;this._init();}};YAHOO.widget.DS_JSFunction.prototype=new YAHOO.widget.DataSource();YAHOO.widget.DS_JSFunction.prototype.dataFunction=null;YAHOO.widget.DS_JSFunction.prototype.doQuery=function(oCallbackFn,sQuery,oParent){var oFunction=this.dataFunction;var aResults=[];aResults=oFunction(sQuery);if(aResults===null){this.dataErrorEvent.fire(this,oParent,sQuery,this.ERROR_DATANULL);return;}
var resultObj={};resultObj.query=decodeURIComponent(sQuery);resultObj.results=aResults;this._addCacheElem(resultObj);this.getResultsEvent.fire(this,oParent,sQuery,aResults);oCallbackFn(sQuery,aResults,oParent);return;};YAHOO.widget.DS_JSArray=function(aData,oConfigs){if(typeof oConfigs=="object"){for(var sConfig in oConfigs){this[sConfig]=oConfigs[sConfig];}}
if(!aData||(aData.constructor!=Array)){return;}
else{this.data=aData;this._init();}};YAHOO.widget.DS_JSArray.prototype=new YAHOO.widget.DataSource();YAHOO.widget.DS_JSArray.prototype.data=null;YAHOO.widget.DS_JSArray.prototype.doQuery=function(oCallbackFn,sQuery,oParent){var aData=this.data;var aResults=[];var bMatchFound=false;var bMatchContains=this.queryMatchContains;if(!this.queryMatchCase){sQuery=sQuery.toLowerCase();}
for(var i=aData.length-1;i>=0;i--){var aDataset=[];if(aData[i]){if(aData[i].constructor==String){aDataset[0]=aData[i];}
else if(aData[i].constructor==Array){aDataset=aData[i];}}
if(aDataset[0]&&(aDataset[0].constructor==String)){var sKeyIndex=(this.queryMatchCase)?encodeURIComponent(aDataset[0]).indexOf(sQuery):encodeURIComponent(aDataset[0]).toLowerCase().indexOf(sQuery);if((!bMatchContains&&(sKeyIndex===0))||(bMatchContains&&(sKeyIndex>-1))){aResults.unshift(aDataset);}}}
this.getResultsEvent.fire(this,oParent,sQuery,aResults);oCallbackFn(sQuery,aResults,oParent);};

// Copyright (c) 2006 Alex King. All rights reserved.
// http://www.alexking.org/software/phptagengine/
//
// Released under the LGPL license
// http://www.opensource.org/licenses/lgpl-license.php
//
// **********************************************************************
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
// **********************************************************************

var pte = {
	req : false
	, ajax_handler : 'tags_handler.php'
	, tag_browse_url : 'tags/<tag>-1.php'
	, strings : {}
	, show_remove_links : false	, edit_button_display : 'image'
	, edit_button_image_url : 'site_img/tag_edit.png'
	, delete_button_display : 'image'
	, delete_button_image_url : 'site_img/delete.png'
}

pte.strings["action_cancel"] = "Cancel";
pte.strings["action_edit"] = "Edit";
pte.strings["action_delete"] = "Delete";
pte.strings["action_delete_text_icon"] = "X";
pte.strings["action_save"] = "Save";
pte.strings["action_saving"] = "Saving...";
pte.strings["data_none"] = "(none)";
pte.strings["label_tags"] = "Tags:";

pte.pipe = function(url, handler, content) {
	if (typeof content == 'undefined') {
		content = '';
	}
	pte.req = false;
	if (window.XMLHttpRequest) {
// branch for native XMLHttpRequest object
		try {
			pte.req = new XMLHttpRequest();
		} 
		catch(e) {
			pte.req = false;
		}
	} 
	else if (window.ActiveXObject) {
// branch for IE/Windows ActiveX version
		try {
			pte.req = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch(e) {
			try {
				pte.req = new ActiveXObject("Microsoft.XMLHTTP");
			} 
			catch(e) {
				pte.req = false;
			}
		}
	}
	if (pte.req) {
// debug
// prompt('piping:', url);
		pte.req.onreadystatechange = handler;
		pte.req.open("GET", url, true);
		pte.req.send(content);
	}
}

pte.save_tags = function(user, item, tags, type) {
	pte.item_tag_view(item, 'saving');
	var url = this.ajax_handler + '?pte_action=save_tags'
		+ '&user=' + encodeURIComponent(user)
		+ '&item=' + encodeURIComponent(item)
		+ '&tags=' + encodeURIComponent(tags)
		+ '&type=' + encodeURIComponent(type)
		;
	pte.pipe(url, pte.save_tags_handler);
}

pte.save_tags_handler = function() {
	if (pte.req.readyState == 4) {
		if (pte.req.status == 200) {
			var result = pte.req.responseXML.getElementsByTagName('result')[0];
			if (result.getAttribute('success') == 'y' && result.getAttribute('action') == 'save_tags') {
				var tags = result.getElementsByTagName('tags')[0].firstChild.nodeValue;
				var item = result.getAttribute('item');
				
				var tags_node = document.getElementById('pte_tags_list_' + item);
				tags_node.innerHTML = '';

				if (tags == '') {
					pte.clear_tags_display(item);
				}
				else {
					document.getElementById('pte_tags_edit_field_' + item).value = tags + ' ';
					if (tags.indexOf(' ') != -1) {
						tags = tags.split(' ');
					}
					else {
						tags = new Array(tags);
					}
					if (tags.length > 0) {
						var tag_nodes = pte.create_tag_nodes(tags, result);
						for (var i = 0; i < tag_nodes.length; i++) {
							tags_node.appendChild(tag_nodes[i]);
						}
					}
				}
				tags_node.appendChild(pte.create_edit_node(item));
				
				pte.item_tag_view(item, 'view');
			}
			else {
// TODO
alert('Error saving tags: ' + pte.req.responseText);
			}
		}
	}
}

pte.remove_tag = function(item, tag, type) {
	var url = pte.ajax_handler + '?pte_action=remove_tag&item=' + encodeURIComponent(item)
		+ '&tag=' + encodeURIComponent(tag) + '&type=' + encodeURIComponent(type);
	pte.pipe(url, pte.remove_tag_handler);
}

pte.remove_tag_handler = function() {
	if (pte.req.readyState == 4) {
		if (pte.req.status == 200) {
			var result = pte.req.responseXML.getElementsByTagName('result')[0];
			if (result.getAttribute('success') == 'y' && result.getAttribute('action') == 'remove_tag') {
				var item = result.getAttribute('item');
				var tag = result.getElementsByTagName('tag')[0].firstChild.nodeValue;
				var parent = document.getElementById('pte_tags_list_' + item);
				var child = document.getElementById('pte_tag_' + item + '_' + tag);
				parent.removeChild(child);
			}
		}
	}
}

pte.edit_tag = function(tag) {
	var url = pte.ajax_handler + '?pte_action=edit_tag&tag=' + encodeURIComponent(tag);
	pte.pipe(url, pte.edit_tag_handler);
}

pte.edit_tag_handler = function() {
	if (pte.req.readyState == 4) {
		if (pte.req.status == 200) {
			var result = pte.req.responseXML.getElementsByTagName('result')[0];
			if (result.getAttribute('success') == 'y' && result.getAttribute('action') == 'edit_tag') {
				var old_tag = result.getElementsByTagName('old_tag')[0].firstChild.nodeValue;
				var new_tag = result.getElementsByTagName('new_tag')[0].firstChild.nodeValue;
				var old_tag_node = document.getElementById('pte_tag_' + old_tag);
				var new_tag_node = document.getElementById('pte_tag_' + new_tag);
				if (new_tag_node) {
					old_tag_node.parentNode.removeChild(old_tag_node);
				}
				else if (old_tag_node) {
					old_tag_node.id = 'pte_tag_' + new_tag;
					old_tag_node.getElementsByTagName['a'][0].innerHTML = new_tag;
				}
			}
		}
	}
}

pte.delete_tag = function(tag) {
	var url = pte.ajax_handler + '?pte_action=delete_tag&tag=' + encodeURIComponent(tag);
	pte.pipe(url, pte.delete_tag_handler);
}

pte.delete_tag_handler = function() {
	if (pte.req.readyState == 4) {
		if (pte.req.status == 200) {
			var result = pte.req.responseXML.getElementsByTagName('result')[0];
			if (result.getAttribute('success') == 'y' && result.getAttribute('action') == 'delete_tag') {
				var tag = result.getElementsByTagName('tag')[0].firstChild.nodeValue;
				var tag_node = document.getElementById('pte_tag_' + tag);
				if (tag_node) {
					tag_node.parentNode.removeChild(tag_node);
				}
			}
		}
	}
}

pte.create_tag_nodes = function(tags, result) {
	var tag_nodes = new Array();
	var item = result.getAttribute('item');
	var type = result.getAttribute('type');
	for (var i = 0; i < tags.length; i++) {
		var tag_link = document.createElement('a');
		tag_link.innerHTML = tags[i];
		tag_link.href = pte.get_tag_browse_url(tags[i], result.getAttribute('type'));

		var tag_node = document.createElement('li');
		tag_node.id = 'pte_tag_' + item + '_' + tags[i];
		tag_node.appendChild(tag_link);
		tag_node.appendChild(document.createTextNode(' '));

		if (pte.show_remove_links) {
			var remove_link = document.createElement('a');
			remove_link.innerHTML = pte.button_display('delete');
			remove_link.href = "javascript:void(pte.remove_tag('" + item + "', '" + tags[i] + "', '" + type + "'));";
			tag_node.appendChild(remove_link);
		}

		tag_nodes.push(tag_node);
	}
	return tag_nodes;
}

pte.get_tag_browse_url = function(tag, type) {
	var url = pte.tag_browse_url.replace('<tag>', tag);
	return url.replace('<type>', type);
}

pte.item_tag_view = function(item, display) {
	document.getElementById('pte_tags_list_' + item).style.display = 'none';
	document.getElementById('pte_tags_edit_' + item).style.display = 'none';
	document.getElementById('pte_tags_saving_' + item).style.display = 'none';
	switch (display) {
		case 'view':
			display = 'list';
		case 'edit':
		case 'saving':
			document.getElementById('pte_tags_' + display + '_' + item).style.display = 'inline';
			if (display == 'edit') {
				document.getElementById('pte_tags_edit_field_' + item).focus();
			}
			break;
	}
}

pte.clear_tags_display = function(item) {
// clear view
	var tags = document.getElementById('pte_tags_list_' + item);
	tags.innerHTML = '';
	banner = document.createElement('li');
	banner.innerHTML = pte.strings['data_none'];
	tags.appendChild(banner);
	pte.item_tag_view(item, 'view');
// clear edit
	document.getElementById('pte_tags_edit_field_' + item).value = '';
}

pte.button_display = function(type) {
	var display = '';
	switch (type) {
		case 'edit':
			var scase = pte.edit_button_display;
			var url = pte.edit_button_image_url;
			break;
		case 'delete':
			var scase = pte.delete_button_display;
			var url = pte.delete_button_image_url;
			break;
		default:
			return display;
	}
	switch (scase) {
		case 'text':
			if (pte.strings['action_' + type + '_text_icon']) {
				display = pte.strings['action_' + type + '_text_icon'];
			}
			else {
				display = pte.strings['action_' + type];
			}
			break;
		case 'image':
			display = '<img src="' + url + '" alt="' + pte.slash(pte.strings['action_' + type], '"') + '" class="pte_button_' + type + '" />';
			break;
	}
	return display;
}

pte.create_edit_node = function(item) {
	var edit_link = document.createElement('a');
	edit_link.innerHTML = '[' + pte.button_display('edit') + ']';
	edit_link.href = "javascript:void(pte.item_tag_view('" + item + "', 'edit'));";

	var edit_node = document.createElement('li');
	edit_node.className = 'pte_edit';
	edit_node.appendChild(edit_link);

	return edit_node;
}

pte.slash = function(str, escape) {
	return str.replace(escape, '\\' + escape);
}