using the cross-browser event handler await until the load event happens and execute a callback

load event attachEvent addEventListener cross-browser

function attachEventApart(object, cB, event, onEvent){
	if (object.addEventListener){
		object.addEventListener(event, cB, false);
	}
	else if (window.attachEvent){
		object.attachEvent(onEvent, cB);
	}
	else
		object[onEvent] = cB;
}

var callBack = function(){
};

attachEventApart(window,callBack, "load", "onload");