var css={getElementsByClass:function(b,f,k){var h=new Array();var d=b.getElementsByTagName(k);var a=d.length;var g=new RegExp("(^|\\s)"+f+"(\\s|$)");for(var e=0,c=0;e<a;e++){if(this.elementHasClass(d[e],f)){h[c]=d[e];c++}}return h},privateGetClassArray:function(a){return a.className.split(" ")},privateCreateClassString:function(a){return a.join(" ")},elementHasClass:function(a,c){if(!a){return false}var b=new RegExp("\\b"+c+"\\b");if(a.className.match(b)){return true}return false},addClassToId:function(a,b){this.addClassToElement(document.getElementById(a),b)},addClassToElement:function(b,c){var a=this.privateGetClassArray(b);if(this.elementHasClass(b,c)){return}a.push(c);b.className=this.privateCreateClassString(a)},removeClassFromId:function(a,b){this.removeClassFromElement(document.getElementById(a),b)},removeClassFromElement:function(b,c){var a=this.privateGetClassArray(b);for(x in a){if(c==a[x]){a[x]="";break}}b.className=this.privateCreateClassString(a)}};