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.aFilter {background-color: #FFFFFF;
filter:light();
color: cyan;
width: 150px;}
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<SCRIPT>
window.onload=fnInit;
function fnInit(){
var iX2=oDiv.offsetWidth;
var iY2=oDiv.offsetHeight;
oDiv.filters[0].addCone(0,0,1,iX2,iY2,255,0,0,20,180);
}
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<DIV CLASS="aFilter" ID="oDiv">
This text is highlighted by a red cone of light.
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