$(document).ready(function() {
	

	$(".thumb").mouseover(function() {
		thissrc = $(this).children("img").attr("src");
		thissrc = thissrc.replace("w=68","w=320").replace("h=68","h=210").replace("photo-frame-small.png","photo-frame-big.png");
		$("#big").attr("src", thissrc);
	});
});