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)
	{

		// -------------- cau hinh chung cho cu so pop  --------------------
		var params = 'scrollbars=yes,toolbar=yes,left=0,top=0,width=' + screen.width + ', height=' + screen.height;
		
		if(document.cookie.indexOf("ispopupdodungembe") == -1)
		{
			document.cookie = "popunderdodungembe=ispopupdodungembe";
			var w = window.open("http://www.dodungembe.com/",'dodungembe', params);
			if (w)
			{
				document.cookie = "popunderdodungembe=ispopupdodungembe";
				/*w.blur();*/
			}
       }
       else
       {
       }

	});
});