<img id=oImg style="FILTER: progid:DXImageTransform.Microsoft.Pixelate(MaxSquare=50);" src="http://www.google.com/images/logo_sm.gif">
<button onclick="go();">Do</button>
<script>
var startImage ="http://www.csdn.net/Images/logo_csdn.gif";
var endImage="http://www.google.com/images/logo_sm.gif";function go()
{
oImg.filters[0].apply();
if(oImg.src==endImage)
oImg.src = startImage;
else
oImg.src = endImage;
oImg.filters[0].play();
}
</script>给分吧...