Use the IE filter "AlphaImageLoader" and javascript in Header <style type="text/css"> #newPreview { filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale); } </style> <script type="text/javascript" language="javascript"> <!-- function PreviewImg(imgPath) { //IE6﹜IE7﹝ var newPreview = document.getElementById("newPreview"); newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgPath; } --> </script> in body <div id="newPreview" ></div>