<html>
<head>
<script language="javascript">
function showlay(par)
{
if (par==1)
test.style.display="";
else
test.style.display = "none";
}
</script>
</head>
<body>
<div onmouseover="showlay(1);" onmouseout="showlay(0);">瓷器</div>
<div id="test" style="display:none;background-color:red;">dkdkdkddkdkd</div>
<div>瓷器</div>
<body>
</html>