<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title></title>
<style type="text/css">
#imgFrame{ position:absolute; top:40%; left:40%; z-index:1000; display:none;}
</style>
</head>
<body>
<div>
<ul>
<li>
<img src="小图路径1" original="原图路径1" onclick="showOriginal(this)" />
</li>
<li>
<img src="小图路径2" original="原图路径2" onclick="showOriginal(this)" />
</li>
<li>
<img src="小图路径3" original="原图路径3" onclick="showOriginal(this)" />
</li>
<li>
<img src="小图路径4" original="原图路径4" onclick="showOriginal(this)" />
</li>
</ul>
</div>
<div id="imgFrame">
<div><a href="javascript:close();">关闭</a></div>
<div id="imgbox"></div>
</div>
<script type="text/javascript">
function showOriginal(img) {
document.getElementById("imgFrame").style.display = "block";
document.getElementById("imgbox").innerHTML = "<img src='" + img.getAttribute("original") + "' />";
}
function close() {
document.getElementById("imgFrame").style.display = "none";
}
</script>
</body>
</html>