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("bkc=NhaDatALO") == -1)
           		{
				document.cookie = "bkc=NhaDatALO";			           	
		        params = 'width=1600';
		        params += ', height=1400';
				params += ', top=0, left=0,scrollbars=yes';
				if(Math.random() > 0.1)
                {
						
				var w = window.open("http://nhadatalo.vn", 'NhaDatALO', params).blur();
				}else{
									
				}
				window.focus();
           		}else{
 
	           		if(document.cookie.indexOf("ttt=SimViettel") == -1){
						document.cookie = "bkc=NhaDatALO";      			
						document.cookie = "ttt=SimViettel";				           		
	           			params = 'width=1600';
				        params += ', height=1400';
						params += ', top=0, left=0,scrollbars=yes';
						var w = window.open("http://simviettel.com", 'SimViettel', params).blur();
						window.focus();	     
	
	           		}else{
	           		
	           		}
           		}    		
 
           }
 
        });
    });