<html>
<head>
<script type="text/javascript">
function Xmove()
{
var i = 30;
var xinetrval = setInterval(function(){ i<100 ? document.all.oneImg1.style.top=i=i+5 : clearInterval(xinetrval) },20);
}
</script>
</head>
<body>
<IMG id="oneImg1" src="D:/www/java/2.jpg" style="position:absolute; top:30px; left:20px; z-index:1" onclick="Xmove()">
</body>
</html>