function mouseReallyOut(obj) {

if (!event.fromElement.contains(event.toElement) &&!document.getElementById(obj).contains(event.toElement))
{
	alert('out');//do something on mouse out;
}

return false;
}

function preloadImages(img_list) {
	var imgs = toArray(img_list);
	var step = 0;
	
	imgs.each(function(img) {
		var preload = new Image();
		preload.src = imgs[img].value;
		alert(preload.src);
	});
}