<html>
<title>感应鼠标的图片透明度显示效果</title>
<head>
<script language="JavaScript1.2">
function makevisible(cur,which){
if (which==0)
cur.filters.alpha.opacity=100
else
cur.filters.alpha.opacity=20
}
</script>
</head>
<body>
<a href="whatever.htm"><img src="/images/banner.gif" border=0 style="filter:alpha(opacity=20)" onMouseover="makevisible(this,0)" onMouseout="makevisible(this,1)"></a>
</body>
</html>