function addEvent(obj, evType, fn){ 
	if (obj.addEventListener){ 
		obj.addEventListener(evType, fn, true); 
		return true; 
	} else if (obj.attachEvent){ 
		var r = obj.attachEvent("on"+evType, fn); 
		return r; 
	} else { 
		return false; 
	} 
}
addEvent(window, 'load', function () { checkImages(); });

function checkImages() {
	if (document.images) {
		document.body.className += 'hasimages';
	}
}