
var CSSClass={};CSSClass.is=function(e,c){if(typeof e=="string")e=document.getElementById(e);var classes=e.className;if(!classes)return false;if(classes==c)return true;return e.className.search("\\b"+c+"\\b")!=-1;};CSSClass.add=function(e,c){if(typeof e=="string")e=document.getElementById(e);if(CSSClass.is(e,c))return;if(e.className)c=" "+c;e.className+=c;};CSSClass.remove=function(e,c){if(typeof e=="string")e=document.getElementById(e);e.className=e.className.replace(new RegExp("\\b"+c+"\\b\\s*","g"),"");};
