function preloadImage(imgName)
{
	var image = new Image();
	image.src = imgName;
}
addOnLoad = function() {
	var wo = window.onload ? window.onload : function() {};
	var f = arguments;
		window.onload = function() {
			for (var i=0,j=f.length;i<j;i++) {
			f[i]();
		}
		wo();
	}
}