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/*
Copyright (c) 2011, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.9.0
*/
var Y=YAHOO,Y_DOM=YAHOO.util.Dom,EMPTY_ARRAY=[],Y_UA=Y.env.ua,Y_Lang=Y.lang,Y_DOC=document,Y_DOCUMENT_ELEMENT=Y_DOC.documentElement,Y_DOM_inDoc=Y_DOM.inDocument,Y_mix=Y_Lang.augmentObject,Y_guid=Y_DOM.generateId,Y_getDoc=function(a){var b=Y_DOC;if(a){b=(a.nodeType===9)?a:a.ownerDocument||a.document||Y_DOC;}return b;},Y_Array=function(g,d){var c,b,h=d||0;try{return Array.prototype.slice.call(g,h);}catch(f){b=[];c=g.length;for(;h<c;h++){b.push(g[h]);}return b;}},Y_DOM_allById=function(f,a){a=a||Y_DOC;var b=[],c=[],d,e;if(a.querySelectorAll){c=a.querySelectorAll('[id="'+f+'"]');}else{if(a.all){b=a.all(f);if(b){if(b.nodeName){if(b.id===f){c.push(b);b=EMPTY_ARRAY;}else{b=[b];}}if(b.length){for(d=0;e=b[d++];){if(e.id===f||(e.attributes&&e.attributes.id&&e.attributes.id.value===f)){c.push(e);}}}}}else{c=[Y_getDoc(a).getElementById(f)];}}return c;};var COMPARE_DOCUMENT_POSITION="compareDocumentPosition",OWNER_DOCUMENT="ownerDocument",Selector={_foundCache:[],useNative:true,_compare:("sourceIndex" in Y_DOCUMENT_ELEMENT)?function(f,e){var d=f.sourceIndex,c=e.sourceIndex;if(d===c){return 0;}else{if(d>c){return 1;}}return -1;}:(Y_DOCUMENT_ELEMENT[COMPARE_DOCUMENT_POSITION]?function(b,a){if(b[COMPARE_DOCUMENT_POSITION](a)&4){return -1;}else{return 1;}}:function(e,d){var c,a,b;if(e&&d){c=e[OWNER_DOCUMENT].createRange();c.setStart(e,0);a=d[OWNER_DOCUMENT].createRange();a.setStart(d,0);b=c.compareBoundaryPoints(1,a);}return b;}),_sort:function(a){if(a){a=Y_Array(a,0,true);if(a.sort){a.sort(Selector._compare);}}return a;},_deDupe:function(a){var b=[],c,d;for(c=0;(d=a[c++]);){if(!d._found){b[b.length]=d;d._found=true;}}for(c=0;(d=b[c++]);){d._found=null;d.removeAttribute("_found");}return b;},query:function(b,j,k,a){if(j&&typeof j=="string"){j=Y_DOM.get(j);if(!j){return(k)?null:[];}}else{j=j||Y_DOC;}var f=[],c=(Selector.useNative&&Y_DOC.querySelector&&!a),e=[[b,j]],g,l,d,h=(c)?Selector._nativeQuery:Selector._bruteQuery;if(b&&h){if(!a&&(!c||j.tagName)){e=Selector._splitQueries(b,j);}for(d=0;(g=e[d++]);){l=h(g[0],g[1],k);if(!k){l=Y_Array(l,0,true);}if(l){f=f.concat(l);}}if(e.length>1){f=Selector._sort(Selector._deDupe(f));}}return(k)?(f[0]||null):f;},_splitQueries:function(c,f){var b=c.split(","),d=[],g="",e,a;if(f){if(f.tagName){f.id=f.id||Y_guid();g='[id="'+f.id+'"] ';}for(e=0,a=b.length;e<a;++e){c=g+b[e];d.push([c,f]);}}return d;},_nativeQuery:function(a,b,c){if(Y_UA.webkit&&a.indexOf(":checked")>-1&&(Selector.pseudos&&Selector.pseudos.checked)){return Selector.query(a,b,c,true);}try{return b["querySelector"+(c?"":"All")](a);}catch(d){return Selector.query(a,b,c,true);}},filter:function(b,a){var c=[],d,e;if(b&&a){for(d=0;(e=b[d++]);){if(Selector.test(e,a)){c[c.length]=e;}}}else{}return c;},test:function(c,d,k){var g=false,b=d.split(","),a=false,l,o,h,n,f,e,m;if(c&&c.tagName){if(!k&&!Y_DOM_inDoc(c)){l=c.parentNode;if(l){k=l;}else{n=c[OWNER_DOCUMENT].createDocumentFragment();n.appendChild(c);k=n;a=true;}}k=k||c[OWNER_DOCUMENT];if(!c.id){c.id=Y_guid();}for(f=0;(m=b[f++]);){m+='[id="'+c.id+'"]';h=Selector.query(m,k);for(e=0;o=h[e++];){if(o===c){g=true;break;}}if(g){break;}}if(a){n.removeChild(c);}}return g;}};YAHOO.util.Selector=Selector;var PARENT_NODE="parentNode",TAG_NAME="tagName",ATTRIBUTES="attributes",COMBINATOR="combinator",PSEUDOS="pseudos",SelectorCSS2={_reRegExpTokens:/([\^\$\?\[\]\*\+\-\.\(\)\|\\])/,SORT_RESULTS:true,_children:function(e,a){var b=e.children,d,c=[],f,g;if(e.children&&a&&e.children.tags){c=e.children.tags(a);}else{if((!b&&e[TAG_NAME])||(b&&a)){f=b||e.childNodes;b=[];for(d=0;(g=f[d++]);){if(g.tagName){if(!a||a===g.tagName){b.push(g);}}}}}return b||[];},_re:{attr:/(\[[^\]]*\])/g,esc:/\\[:\[\]\(\)#\.\'\>+~"]/gi,pseudos:/(\([^\)]*\))/g},shorthand:{"\\#(-?[_a-z]+[-\\w\\uE000]*)":"[id=$1]","\\.(-?[_a-z]+[-\\w\\uE000]*)":"[className~=$1]"},operators:{"":function(b,a){return !!b.getAttribute(a);},"~=":"(?:^|\\s+){val}(?:\\s+|$)","|=":"^{val}(?:-|$)"},pseudos:{"first-child":function(a){return Selector._children(a[PARENT_NODE])[0]===a;}},_bruteQuery:function(f,j,l){var g=[],a=[],i=Selector._tokenize(f),e=i[i.length-1],k=Y_getDoc(j),c,b,h,d;if(e){b=e.id;h=e.className;d=e.tagName||"*";if(j.getElementsByTagName){if(b&&(j.all||(j.nodeType===9||Y_DOM_inDoc(j)))){a=Y_DOM_allById(b,j);}else{if(h){a=j.getElementsByClassName(h);}else{a=j.getElementsByTagName(d);}}}else{c=j.firstChild;while(c){if(c.tagName){a.push(c);}c=c.nextSilbing||c.firstChild;}}if(a.length){g=Selector._filterNodes(a,i,l);}}return g;},_filterNodes:function(l,f,h){var r=0,q,s=f.length,k=s-1,e=[],o=l[0],v=o,t=Selector.getters,d,p,c,g,a,m,b,u;for(r=0;(v=o=l[r++]);){k=s-1;g=null;testLoop:while(v&&v.tagName){c=f[k];b=c.tests;q=b.length;if(q&&!a){while((u=b[--q])){d=u[1];if(t[u[0]]){m=t[u[0]](v,u[0]);}else{m=v[u[0]];if(m===undefined&&v.getAttribute){m=v.getAttribute(u[0]);}}if((d==="="&&m!==u[2])||(typeof d!=="string"&&d.test&&!d.test(m))||(!d.test&&typeof d==="function"&&!d(v,u[0],u[2]))){if((v=v[g])){while(v&&(!v.tagName||(c.tagName&&c.tagName!==v.tagName))){v=v[g];}}continue testLoop;}}}k--;if(!a&&(p=c.combinator)){g=p.axis;v=v[g];while(v&&!v.tagName){v=v[g];}if(p.direct){g=null;}}else{e.push(o);if(h){return e;}break;}}}o=v=null;return e;},combinators:{" ":{axis:"parentNode"},">":{axis:"parentNode",direct:true},"+":{axis:"previousSibling",direct:true}},_parsers:[{name:ATTRIBUTES,re:/^\uE003(-?[a-z]+[\w\-]*)+([~\|\^\$\*!=]=?)?['"]?([^\uE004'"]*)['"]?\uE004/i,fn:function(d,e){var c=d[2]||"",a=Selector.operators,b=(d[3])?d[3].replace(/\\/g,""):"",f;if((d[1]==="id"&&c==="=")||(d[1]==="className"&&Y_DOCUMENT_ELEMENT.getElementsByClassName&&(c==="~="||c==="="))){e.prefilter=d[1];d[3]=b;e[d[1]]=(d[1]==="id")?d[3]:b;}if(c in a){f=a[c];if(typeof f==="string"){d[3]=b.replace(Selector._reRegExpTokens,"\\$1");f=new RegExp(f.replace("{val}",d[3]));}d[2]=f;}if(!e.last||e.prefilter!==d[1]){return d.slice(1);}}},{name:TAG_NAME,re:/^((?:-?[_a-z]+[\w-]*)|\*)/i,fn:function(b,c){var a=b[1].toUpperCase();c.tagName=a;if(a!=="*"&&(!c.last||c.prefilter)){return[TAG_NAME,"=",a];
}if(!c.prefilter){c.prefilter="tagName";}}},{name:COMBINATOR,re:/^\s*([>+~]|\s)\s*/,fn:function(a,b){}},{name:PSEUDOS,re:/^:([\-\w]+)(?:\uE005['"]?([^\uE005]*)['"]?\uE006)*/i,fn:function(a,b){var c=Selector[PSEUDOS][a[1]];if(c){if(a[2]){a[2]=a[2].replace(/\\/g,"");}return[a[2],c];}else{return false;}}}],_getToken:function(a){return{tagName:null,id:null,className:null,attributes:{},combinator:null,tests:[]};},_tokenize:function(c){c=c||"";c=Selector._replaceShorthand(Y_Lang.trim(c));var b=Selector._getToken(),h=c,g=[],j=false,e,f,d,a;outer:do{j=false;for(d=0;(a=Selector._parsers[d++]);){if((e=a.re.exec(c))){if(a.name!==COMBINATOR){b.selector=c;}c=c.replace(e[0],"");if(!c.length){b.last=true;}if(Selector._attrFilters[e[1]]){e[1]=Selector._attrFilters[e[1]];}f=a.fn(e,b);if(f===false){j=false;break outer;}else{if(f){b.tests.push(f);}}if(!c.length||a.name===COMBINATOR){g.push(b);b=Selector._getToken(b);if(a.name===COMBINATOR){b.combinator=Selector.combinators[e[1]];}}j=true;}}}while(j&&c.length);if(!j||c.length){g=[];}return g;},_replaceShorthand:function(b){var d=Selector.shorthand,c=b.match(Selector._re.esc),e,h,g,f,a;if(c){b=b.replace(Selector._re.esc,"\uE000");}e=b.match(Selector._re.attr);h=b.match(Selector._re.pseudos);if(e){b=b.replace(Selector._re.attr,"\uE001");}if(h){b=b.replace(Selector._re.pseudos,"\uE002");}for(g in d){if(d.hasOwnProperty(g)){b=b.replace(new RegExp(g,"gi"),d[g]);}}if(e){for(f=0,a=e.length;f<a;++f){b=b.replace(/\uE001/,e[f]);}}if(h){for(f=0,a=h.length;f<a;++f){b=b.replace(/\uE002/,h[f]);}}b=b.replace(/\[/g,"\uE003");b=b.replace(/\]/g,"\uE004");b=b.replace(/\(/g,"\uE005");b=b.replace(/\)/g,"\uE006");if(c){for(f=0,a=c.length;f<a;++f){b=b.replace("\uE000",c[f]);}}return b;},_attrFilters:{"class":"className","for":"htmlFor"},getters:{href:function(b,a){return Y_DOM.getAttribute(b,a);}}};Y_mix(Selector,SelectorCSS2,true);Selector.getters.src=Selector.getters.rel=Selector.getters.href;if(Selector.useNative&&Y_DOC.querySelector){Selector.shorthand["\\.([^\\s\\\\(\\[:]*)"]="[class~=$1]";}Selector._reNth=/^(?:([\-]?\d*)(n){1}|(odd|even)$)*([\-+]?\d*)$/;Selector._getNth=function(d,o,q,h){Selector._reNth.test(o);var m=parseInt(RegExp.$1,10),c=RegExp.$2,j=RegExp.$3,k=parseInt(RegExp.$4,10)||0,p=[],l=Selector._children(d.parentNode,q),f;if(j){m=2;f="+";c="n";k=(j==="odd")?1:0;}else{if(isNaN(m)){m=(c)?1:0;}}if(m===0){if(h){k=l.length-k+1;}if(l[k-1]===d){return true;}else{return false;}}else{if(m<0){h=!!h;m=Math.abs(m);}}if(!h){for(var e=k-1,g=l.length;e<g;e+=m){if(e>=0&&l[e]===d){return true;}}}else{for(var e=l.length-k,g=l.length;e>=0;e-=m){if(e<g&&l[e]===d){return true;}}}return false;};Y_mix(Selector.pseudos,{"root":function(a){return a===a.ownerDocument.documentElement;},"nth-child":function(a,b){return Selector._getNth(a,b);},"nth-last-child":function(a,b){return Selector._getNth(a,b,null,true);},"nth-of-type":function(a,b){return Selector._getNth(a,b,a.tagName);},"nth-last-of-type":function(a,b){return Selector._getNth(a,b,a.tagName,true);},"last-child":function(b){var a=Selector._children(b.parentNode);return a[a.length-1]===b;},"first-of-type":function(a){return Selector._children(a.parentNode,a.tagName)[0]===a;},"last-of-type":function(b){var a=Selector._children(b.parentNode,b.tagName);return a[a.length-1]===b;},"only-child":function(b){var a=Selector._children(b.parentNode);return a.length===1&&a[0]===b;},"only-of-type":function(b){var a=Selector._children(b.parentNode,b.tagName);return a.length===1&&a[0]===b;},"empty":function(a){return a.childNodes.length===0;},"not":function(a,b){return !Selector.test(a,b);},"contains":function(a,b){var c=a.innerText||a.textContent||"";return c.indexOf(b)>-1;},"checked":function(a){return(a.checked===true||a.selected===true);},enabled:function(a){return(a.disabled!==undefined&&!a.disabled);},disabled:function(a){return(a.disabled);}});Y_mix(Selector.operators,{"^=":"^{val}","!=":function(b,a,c){return b[a]!==c;},"$=":"{val}$","*=":"{val}"});Selector.combinators["~"]={axis:"previousSibling"};YAHOO.register("selector",YAHOO.util.Selector,{version:"2.9.0",build:"2800"});
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