图片缩略图,点击放大到原图大小
<script language="javascript">
var saveWidth = 0;
function scaleImg(what)
{
what = document.getElementById(what);
if (navigator.appName=="Netscape")
winW = window.innerWidth;
if (navigator.appName.indexOf("Microsoft")!=-1)
winW = document.body.offsetWidth;
if (what.width>(300) || saveWidth>(300)) {
if (what.width==(300))
what.width=saveWidth;
else
{
saveWidth = what.width;
what.style.cursor = "pointer";
what.width=(300);
}
}
}
</script>
<img src="http://www.72color.com/UPLOAD/w3c.gif" id="IMG1" onClick="javascript:scaleImg('IMG1')" onLoad="javascript:scaleImg
('IMG1')" />
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