// Detect IE 4
isIE4 = (navigator.appName == "Microsoft Internet Explorer" &&
parseInt(navigator.appVersion) > 3);
// Function to bring the shadow closer
function doShadow(offX, offY, positive) {
// If the shadow is more than two pixels away...
if (offX > 2) {
// then bring it one pixel closer be decreasing these variables and...
offX -= 1;
offY -= 1;
// then give those values of the variables to the filter property.
document.all.dropText.style.filter = "dropShadow(color=#660000, offX=" + offX + ", offY=" +
offY + ", positive=" + positive + ")";
// Finally, wait 10 milliseconds and start it all again.
setTimeout("doShadow(" + offX + "," + offY + "," + positive + ")", 100);
}
}
// Run the function for the first time
if (isIE4) doShadow(10, 10, 1);