if (navigator.appName == 'Microsoft Internet Explorer') {           document.getElementsByClassName = function() {               var tTagName = "*";               if (arguments.length > 1) {                   tTagName = arguments[1];               }               if (arguments.length > 2) {                   var pObj = arguments[2]               } else {                   var pObj = document;               }               var objArr = pObj.getElementsByTagName(tTagName);               var tRObj = new Array();               for ( var i = 0; i < objArr.length; i++) {                   if (objArr[i].className == arguments[0]) {                       tRObj.push(objArr[i]);                   }               }               return tRObj;           }       }