var Ext={};Ext.DomQuery=function(){var cache={},simpleCache={},valueCache={};var nonSpace=/\S/;var trimRe=/^\s*(.*?)\s*$/;var tplRe=/\{(\d+)\}/g;var modeRe=/^(\s?[\/>]\s?|\s|$)/;var clsRes={};function child(p,index){var i=0;var n=p.firstChild;while(n){if(n.nodeType==1){i++;if(i==index){return n;}}
n=n.nextSibling;}
return null;};function next(d){var n=d.nextSibling;while(n&&n.nodeType!=1){n=n.nextSibling;}
return n;};function prev(d){var n=d.previousSibling;while(n&&n.nodeType!=1){n=n.previousSibling;}
return n;};function clean(d){var n=d.firstChild,ni=-1;while(n){var nx=n.nextSibling;if(n.nodeType==3&&!nonSpace.test(n.nodeValue)){d.removeChild(n);}else{n.nodeIndex=++ni;}
n=nx;}
return this;};function byClassName(c,a,v){if(!v){return c;}
var re=clsRes[v];if(!re){re=new RegExp('(?:^|\\s)(?:'+v+')(?:\\s|$)');clsRes[v]=re;}
var r=[];for(var i=0,ci;ci=c[i];i++){if(re.test(ci.className)){r[r.length]=ci;}}
return r;};function convert(c){if(c.slice){return c;}
var r=[];for(var i=0,l=c.length;i<l;i++){r[r.length]=c[i];}
return r;};function attrValue(n,attr){if(!n.tagName&&typeof n.length!='undefined'){n=n[0];}
if(!n){return null;}
if(attr=='for'){return n.htmlFor;}
if(attr=='class'||attr=='className'){return n.className;}
return n.getAttribute(attr)||n[attr];};function getNodes(ns,mode,tagName){var result=[],cs;if(!ns){return result;}
mode=mode?mode.replace(trimRe,'$1'):'';tagName=tagName||'*';if(ns.tagName||ns==document){ns=[ns];}
if(mode!='/'&&mode!='>'){for(var i=0,ni;ni=ns[i];i++){cs=ni.getElementsByTagName(tagName);result=concat(result,cs);}}else{for(var i=0,ni;ni=ns[i];i++){var cn=ni.getElementsByTagName(tagName);for(var j=0,cj;cj=cn[j];j++){if(cj.parentNode==ni){result[result.length]=cj;}}}}
return result;};function concat(a,b){if(b.slice){return a.concat(b);}
for(var i=0,l=b.length;i<l;i++){a[a.length]=b[i];}
return a;}
function byTag(cs,tagName){if(cs.tagName||cs==document){cs=[cs];}
if(!tagName){return cs;}
var r=[];tagName=tagName.toLowerCase();for(var i=0,ci;ci=cs[i];i++){if(ci.nodeType==1&&ci.tagName.toLowerCase()==tagName){r[r.length]=ci;}}
return r;};function byId(cs,attr,id){if(cs.tagName||cs==document){cs=[cs];}
if(!id){return cs;}
var r=[];for(var i=0,l=cs.length;i<l;i++){var ci=cs[i];if(ci&&ci.id==id){r[r.length]=ci;}}
return r;};function byAttribute(cs,attr,value,op,custom){var r=[],st=custom=='{';var f=Ext.DomQuery.operators[op];for(var i=0,l=cs.length;i<l;i++){var a;if(st){a=Ext.DomQuery.getStyle(cs[i],attr);}
else if(attr=='class'||attr=='className'){a=cs[i].className;}else if(attr=='for'){a=cs[i].htmlFor;}else{a=cs[i].getAttribute(attr);}
if((f&&f(a,value))||(!f&&a)){r[r.length]=cs[i];}}
return r;};function byPseudo(cs,name,value){return Ext.DomQuery.pseudos[name](cs,value);};var isIE=window.ActiveXObject;var addAttr=isIE?function(n,a,v){n.setAttribute(a,v);}:function(n,a,v){n[a]=v;};var getAttr=isIE?function(n,a){return n.getAttribute(a);}:function(n,a){return n[a];};var clearAttr=isIE?function(n,a){n.removeAttribute(a);}:function(n,a,v){delete n[a];};function nodup(cs){if(!cs.length){return cs;}
addAttr(cs[0],'_nodup',true);var r=[cs[0]];for(var i=1,len=cs.length;i<len;i++){var c=cs[i];if(!getAttr(c,'_nodup')){addAttr(c,'_nodup',true);r[r.length]=c;}}
for(var i=0,len=cs.length;i<len;i++){clearAttr(cs[i],'_nodup');}
return r;}
function quickDiff(c1,c2){if(!c1.length){return c2;}
for(var i=0,len=c1.length;i<len;i++){addAttr(c1[i],'_qdiff',true);}
var r=[];for(var i=0,len=c2.length;i<len;i++){if(!getAttr(c2[i],'_qdiff')){r[r.length]=c2[i];}}
for(var i=0,len=c1.length;i<len;i++){clearAttr(c1[i],'_qdiff');}
return r;}
function quickId(ns,mode,root,id){if(ns==root){var d=root.ownerDocument||root;return d.getElementById(id);}
ns=getNodes(ns,mode,'*');return byId(ns,null,id);}
return{getStyle:function(el,name){return YAHOO.util.Dom.getStyle(el,name);},compile:function(path,type){while(path.substr(0,1)=='/'){path=path.substr(1);}
type=type||'select';var fn=['var f = function(root){\n var mode; var n = root || document;\n'];var q=path,mode,lq;var tk=Ext.DomQuery.matchers;var tklen=tk.length;var mm;while(q&&lq!=q){lq=q;var tm=q.match(/^(#)?([\w-\*]+)/);if(type=='select'){if(tm){if(tm[1]=='#'){fn[fn.length]='n = quickId(n, mode, root, "'+tm[2]+'");';}else{fn[fn.length]='n = getNodes(n, mode, "'+tm[2]+'");';}
q=q.replace(tm[0],'');}else{fn[fn.length]='n = getNodes(n, mode, "*");';}}else{if(tm){if(tm[1]=='#'){fn[fn.length]='n = byId(n, null, "'+tm[2]+'");';}else{fn[fn.length]='n = byTag(n, "'+tm[2]+'");';}
q=q.replace(tm[0],'');}}
while(!(mm=q.match(modeRe))){var matched=false;for(var j=0;j<tklen;j++){var t=tk[j];var m=q.match(t.re);if(m){fn[fn.length]=t.select.replace(tplRe,function(x,i){return m[i];});q=q.replace(m[0],'');matched=true;break;}}
if(!matched){throw'Error parsing selector, parsing failed at "'+q+'"';}}
if(mm[1]){fn[fn.length]='mode="'+mm[1]+'";';q=q.replace(mm[1],'');}}
fn[fn.length]='return nodup(n);\n}';eval(fn.join(''));return f;},select:function(path,root,type){if(!root||root==document){root=document;}
if(typeof root=='string'){root=document.getElementById(root);}
var paths=path.split(',');var results=[];for(var i=0,len=paths.length;i<len;i++){var p=paths[i].replace(trimRe,'$1');if(!cache[p]){cache[p]=Ext.DomQuery.compile(p);if(!cache[p]){throw p+' is not a valid selector';}}
var result=cache[p](root);if(result&&result!=document){results=results.concat(result);}}
return results;},selectNode:function(path,root){return Ext.DomQuery.select(path,root)[0];},selectValue:function(path,root,defaultValue){path=path.replace(trimRe,'$1');if(!valueCache[path]){valueCache[path]=Ext.DomQuery.compile(path,'simple');}
var n=valueCache[path](root);n=n[0]?n[0]:n;var v=(n&&n.firstChild?n.firstChild.nodeValue:null);return(v===null?defaultValue:v);},selectNumber:function(path,root,defaultValue){var v=Ext.DomQuery.selectValue(path,root,defaultValue||0);return parseFloat(v);},is:function(el,ss){if(typeof el=='string'){el=document.getElementById(el);}
var isArray=(el instanceof Array);var result=Ext.DomQuery.filter(isArray?el:[el],ss);return isArray?(result.length==el.length):(result.length>0);},filter:function(els,ss,nonMatches){ss=ss.replace(trimRe,'$1');if(!simpleCache[ss]){simpleCache[ss]=Ext.DomQuery.compile(ss,'simple');}
var result=simpleCache[ss](els);return nonMatches?quickDiff(result,els):result;},matchers:[{re:/^\.([\w-]+)/,select:'n = byClassName(n, null, "{1}");'},{re:/^\:([\w-]+)(?:\(((?:[^\s>\/]*|.*?))\))?/,select:'n = byPseudo(n, "{1}", "{2}");'},{re:/^(?:([\[\{])(?:@)?([\w-]+)\s?(?:(=|.=)\s?['"]?(.*?)["']?)?[\]\}])/,select:'n = byAttribute(n, "{2}", "{4}", "{3}", "{1}");'},{re:/^#([\w-]+)/,select:'n = byId(n, null, "{1}");'},{re:/^@([\w-]+)/,select:'return {firstChild:{nodeValue:attrValue(n, "{1}")}};'}],operators:{'=':function(a,v){return a==v;},'!=':function(a,v){return a!=v;},'^=':function(a,v){return a&&a.substr(0,v.length)==v;},'$=':function(a,v){return a&&a.substr(a.length-v.length)==v;},'*=':function(a,v){return a&&a.indexOf(v)!==-1;},'%=':function(a,v){return(a%v)==0;}},pseudos:{'first-child':function(c){var r=[];for(var i=0,l=c.length;i<l;i++){var ci=c[i];if(!prev(ci)){r[r.length]=ci;}}
return r;},'last-child':function(c){var r=[];for(var i=0,l=c.length;i<l;i++){var ci=c[i];if(!next(ci)){r[r.length]=ci;}}
return r;},'nth-child':function(c,a){var r=[];if(a!='odd'&&a!='even'){for(var i=0,ci;ci=c[i];i++){var m=child(ci.parentNode,a);if(m==ci){r[r.length]=m;}}
return r;}
var p;for(var i=0,l=c.length;i<l;i++){var cp=c[i].parentNode;if(cp!=p){clean(cp);p=cp;}}
for(var i=0,l=c.length;i<l;i++){var ci=c[i],m=false;if(a=='odd'){m=((ci.nodeIndex+1)%2==1);}else if(a=='even'){m=((ci.nodeIndex+1)%2==0);}
if(m){r[r.length]=ci;}}
return r;},'only-child':function(c){var r=[];for(var i=0,l=c.length;i<l;i++){var ci=c[i];if(!prev(ci)&&!next(ci)){r[r.length]=ci;}}
return r;},'empty':function(c){var r=[];for(var i=0,l=c.length;i<l;i++){var ci=c[i];if(!ci.firstChild){r[r.length]=ci;}}
return r;},'contains':function(c,v){var r=[];for(var i=0,l=c.length;i<l;i++){var ci=c[i];if(ci.innerHTML.indexOf(v)!==-1){r[r.length]=ci;}}
return r;},'checked':function(c){var r=[];for(var i=0,l=c.length;i<l;++i){if(c[i].checked=='checked'||c[i].checked==true){r[r.length]=c[i];}}
return r;},'not':function(c,ss){return Ext.DomQuery.filter(c,ss,true);},'odd':function(c){return this['nth-child'](c,'odd');},'even':function(c){return this['nth-child'](c,'even');},'nth':function(c,a){return c[a-1];},'first':function(c){return c[0];},'last':function(c){return c[c.length-1];},'has':function(c,ss){var s=Ext.DomQuery.select;var r=[];for(var i=0,ci;ci=c[i];i++){if(s(ss,ci).length>0){r[r.length]=ci;}}
return r;},'next':function(c,ss){var is=Ext.DomQuery.is;var r=[];for(var i=0,ci;ci=c[i];i++){var n=next(ci);if(n&&is(n,ss)){r[r.length]=ci;}}
return r;},'prev':function(c,ss){var is=Ext.DomQuery.is;var r=[];for(var i=0,ci;ci=c[i];i++){var n=prev(ci);if(n&&is(n,ss)){r[r.length]=ci;}}
return r;}}};}();Array.prototype.show=function(){YAHOO.util.Dom.setStyle(this,'display','');};Array.prototype.toggle=function(){YAHOO.util.Dom.batch(this,function(el){el.style.display=el.style.display!='none'?'none':'';});};Ext.query=Ext.DomQuery.select;YAHOO.util.Dom.query=Ext.query;