$(function() {
	$("#productimage .small")
		.bind('click', function() {
			this.img = $("#large").attr('src').replace(/\/large\//, "/tumb/");
			$("#large").attr('src', this.src.replace(/\/tumb\//, "/large/"));
			this.src = this.img;
		})
		.bind('mouseover', function() {
			this.style.cursor = "pointer";
		});
	});