clip:rect 隐藏控件
<!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>
<base href="http://www.wxwdesign.cn/works/" />
<style type="text/css">
body
{
margin: 0px;
padding: 0px;
font-size: 13px;
}
.clip_a
{display:block; width:128px; height:128px;}
.clip_a img
{border:0; position:absolute; clip:rect(0 2560px 2560px 0);}
.clip_a:hover img
{position:absolute; clip:rect(128px 0px 0px 128px);}
</style>
<a href="javascript:" class="clip_a"><img src="http://pic1a.nipic.com/2008-12-
18/2008121893348627_2.jpg" /></a>
这个必须是position:absolute的元素哦,当鼠标放在郁金香的图片上的时候,郁金香就没了
</body>
</html>