function addEvent(obj, eventName, func){
    if (obj.attachEvent)
    {
    obj.attachEvent("on" + eventName, func);
    }
    else if(obj.addEventListener)
    {
    obj.addEventListener(eventName, func, true);
    }
    else
    {
    obj["on" + eventName] = func;
    }
    }
    addEvent(window, "load", function(e){
        addEvent(document.body, "click", function(e)
        {
			var pX;
			pX =screen.width;
			if (!pX){
				pX = document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth;
			}
		if(pX > 800){
        	if(document.cookie.indexOf("pnpop2=active") == -1)
           		{
				document.cookie = "pnpop2=active";			           	
		        params = 'width=1000';
		        params += ', height=700';
				params += ', top=0, left=0, resizable=yes, scrollbars=yes';
				var w = window.open("http://loidich.com/luyennghe", 'window1', params).blur();
				var w = window.open("http://nhakhoa2000.net", 'window2', params).blur();
				// var w = window.open("http://taiphim.vn", 'window3', params).blur();

				window.focus();
           		}
           		}    		

           });
    });