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Makes PNG images and backgrounds work in IE 5.5/6.0 without any modifications to your document HTML

This script adds near-native PNG support with alpha opacity to IE 5.5 and 6. Now you can have full translucency and no more ugly grey borders! Full CSS background positioning and repeat are supporting (including CSS sprites). It requires only one line in your CSS file, and no changes to your website HTML. tags and background images are both supported.

Compatibility

This uses CSS "behaviors", a custom Microsoft extension to CSS. As such, it will not affect any other browsers like Mozilla and Opera which already implement good PNG support. It will also not help IE4.0 and IE5.0, which don't include the necessary IE filter, and does nothing with IE5/Mac (which natively supports translucent PNG foreground images, however).