图片的马赛克渐变效果(限IE)

<SCRIPT language=JavaScript>
<!--
var num = 50
function chFilter() {
if(num > 2) {
num -= 1
img1.style.filter = "progid:DXImageTransform.Microsoft.Pixelate(MaxSquare=" + num + ")"
setTimeout("chFilter()",5)
} else {
img1.style.filter = ""
}
}
//-->
</SCRIPT>

<body bgcolor="#FFFFFF" text="#000000" onload="img1.style.visibility='visible';chFilter()">
<IMG id=img1 style="FILTER: progid:DXImageTransform.Microsoft.Pixelate(MaxSquare=50); VISIBILITY: hidden" height=300 src="http://www.java2000.net/images/company/www.java2000.net.gif" width=214 border=0>
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