$(document).ready(function()
{
	$(".rollover").hover(
		function() {
			curr = $(this).attr("src");
			over = curr.replace(/_01\./, '_00.');
			$(this).attr({ src: over});
		},
		function() {
			$(this).attr({ src: curr});
		}
	);
	
	$(".rollover").each(function(i) {
		temp = this.src;
		pre = temp.replace(/_00\./, '_01.');
		preload_image_object = new Image();
		preload_image_object.src = pre;
	});
});