/* classList.min.js */
/*! @source http://purl.eligrey.com/github/classList.js/blob/master/classList.js*/
if(typeof document!=="undefined"&&!("classList" in document.createElement("a"))){(function(j){var a="classList",f="prototype",m=(j.HTMLElement||j.Element)[f],b=Object,k=String[f].trim||function(){return this.replace(/^\s+|\s+$/g,"")},c=Array[f].indexOf||function(q){var p=0,o=this.length;for(;p<o;p++){if(p in this&&this[p]= = =q){return p}}return -1},n=function(o,p){this.name =o;this.code =DOMException[o];this.message =p},g =function(p,o){if(o = = ="" ){throw new n("syntax_err","an invalid or illegal string was specified")}if( />\s/.test(o)){throw new n("INVALID_CHARACTER_ERR","String contains an invalid character")}return c.call(p,o)},d=function(s){var r=k.call(s.className),q=r?r.split(/\s+/):[],p=0,o=q.length;for(;p<o;p++){this.push(q[p])}this._updateclassname =function(){s.className =this.toString()}},e =d[f] =[],i =function(){return new d(this)};n[f]=Error[f];e.item =function(o){return this[o]||null};e.contains=function(o){o+ ="" ;return g(this,o)!= =-1};e.add =function(o){o+ ="" ;if(g(this,o)= = =-1){this.push(o);this._updateClassName()}};e.remove =function(p){p+ ="" ;var o=g(this,p);if(o! = =-1){this.splice(o,1);this._updateClassName()}};e.toggle =function(o){o+ ="" ;if(g(this,o)= = =-1){this.add(o)}else{this.remove(o)}};e.toString =function(){return this.join(" ")};if(b.defineProperty){var l={get:i,enumerable:true,configurable:true};try{b.defineProperty(m,a,l)}catch(h){if(h.number===-2146823252){l.enumerable=false;b.defineProperty(m,a,l)}}}else{if(b[f].__defineGetter__){m.__defineGetter__(a,i)}}}(self))};

/* getElementsByClassName replacement */
/*
   Developed by Robert Nyman, http://www.robertnyman.com
   Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
    if (document.getElementsByClassName) {
        getElementsByClassName = function (className, tag, elm) {
            elm = elm || document;
            var elements = elm.getElementsByClassName(className),
            nodeName = (tag)? new RegExp(" \\b" + tag + "\\b" , "i" )
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    null,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    returnelements=[],
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    current;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    for(var i=0, il=elements.length; i
    <il; i+=1){
         current=elements[i];
         if(!nodename || nodename.test(current.nodename)) {
         returnelements.push(current);
         }
         }
         return returnelements;
         };
         }
         else if (document.evaluate) {
         getelementsbyclassname=function (classname, tag, elm) {
         tag=tag || "*" ;
         elm=elm || document;
         var classes=className.split(" "),
            classesToCheck = " ",
            xhtmlNamespace = " http />/www.w3.org/1999/xhtml",
    namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
    returnElements = [],
    elements,
    node;
    for(var j=0, jl=classes.length; j<jl; j+=1){
                                          classestocheck +="[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]" ;
                                          }
                                          try {
                                          elements=document.evaluate(".//" + tag + classestocheck, elm, namespaceresolver, 0, null);
                                          }
                                          catch (e) {
                                          elements=document.evaluate(".//" + tag + classestocheck, elm, null, 0, null);
                                          }
                                          while ((node=elements.iterateNext())) {
                                          returnelements.push(node);
                                          }
                                          return returnelements;
                                          };
                                          }
                                          else {
                                          getelementsbyclassname=function (classname, tag, elm) {
                                          tag=tag || "*" ;
                                          elm=elm || document;
                                          var classes=className.split(" "),
            classesToCheck = [],
            elements = (tag === " *" && elm.all)? elm.all
                                          elm.getelementsbytagname(tag),
                                          current,
                                          returnelements=[],
                                          match;
                                          for(var k=0, kl=classes.length; k
        <kl; k+=1){
             classestocheck.push(new regexp("(^|\\s)" + classes[k] + "(\\s|$)" ));
             }
             for(var l=0, ll=elements.length; l
            <ll; l+=1){
                 current=elements[l];
                 match=false;
                 for(var m=0, ml=classesToCheck.length; m
                <ml; m+=1){
                     match=classesToCheck[m].test(current.className);
                     if (!match) {
                     break;
                     }
                     }
                     if (match) {
                     returnelements.push(current);
                     }
                     }
                     return returnelements;
                     };
                     }
                     return getelementsbyclassname(classname, tag, elm);
                     };