var Preloader = {
	Create: function(url) {
		var img = $("<img>").attr({ "src": url });
		var c = $("<center>");
		c.appendToContainer = function(container) {
			var ht = container.outerHeight();			
			this.parent().css({ "margin-top": (ht / 2 - 5) + "px" });
			this.parent().appendTo(container);
		}
		img.appendTo(c);
		return c;
	}
}