.nav {

filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20);
filter: progid:DXImageTransform.Microsoft.Alpha(opacity=0);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#333333", endColorstr="#000000", GradientType=0);

} .evalTest1 {

filter: progid:DXImageTransform.Microsoft.Alpha(opacity=30);
filter: progid:DXImageTransform.Microsoft.Alpha(opacity=5);

}