Fade Images in IE7

.fadeimg
{
background : transparent;
-ms-filter : "progid: DXImageTransform.Microsoft.gradient(startColorstr=#00FFFFFF,endColorstr=#00FFFFFF)" /* IE8 */ 
filter : "progid: DXImageTransform.Microsoft.gradient(startColorstr=#00FFFFFF,endColorstr=#00FFFFFF)" /* IE6 & 7 */
zoom : 1;
}