function addEvent(elem, type, hdl){
    if (elem.addEventListener) {
        elem.addEventListener(type, hdl, false);   
    } else if (elem.attachEvent) {
		elem._click=hdl
        elem.attachEvent("on" + type,function(){elem._click();});
    } else {
        elem["on"+type] = hdl;
    }
}
document.getElementsByClassName=function(eleClassName){
   var getEleClass = [];
   var myclass = new RegExp("\\b"+eleClassName+"\\b");
   var elem = this.getElementsByTagName("*");
   for(var h=0;h<elem.length;h++){
     var classes = elem[h].className;
     if (myclass.test(classes)) getEleClass.push(elem[h]);
   }
   return getEleClass;
}
function googlepagetracker(){
	for(var i=0,el=document.getElementsByClassName("track");i<el.length;i++){
		addEvent(el[i],'click',function(){
			pageTracker._trackEvent('The9', 'clicks','Tracker_'+ this.id);
		});
	}
	for(var i=0,el=document.getElementsByClassName("menu_track");i<el.length;i++){
		addEvent(el[i],'click',function(){
			pageTracker._trackEvent('The9', 'menu','Tracker_'+ this.id);
		});
	}
	for(var i=0,el=document.getElementsByClassName("banner_track");i<el.length;i++){
		addEvent(el[i],'click',function(){
			pageTracker._trackEvent('The9', 'banner','Tracker_'+ this.id);
		});
	}
}
addEvent(window, 'load',googlepagetracker);