$(document).ready(function(){
	$("#ctl00_ContentPlaceHolder1_DTLImages td[class!=no_image] img").click(
	  function(){
	    var strSrc = $(this).attr('src');
	    $(this).attr('src', $("#ctl00_ContentPlaceHolder1_imgZoom img").attr('src').replace('_th', '_li'));
	    $("#ctl00_ContentPlaceHolder1_imgZoom img").attr('src', strSrc.replace('_li', '_th'));
	    $("#ctl00_ContentPlaceHolder1_imgZoom img").attr('class', strSrc.replace('_li', ''));
	  });
});