#file_browse_wrapper {
    width: 111px;
    height: 28px;
    background: url('file_browse_normal2.png') 0 0 no-repeat;
    border:none;
    overflow:hidden;
}
#file_browse_wrapper:hover {
    background: url('file_browse_hover2.png') 0 0 no-repeat;
}
#file_browse_wrapper:active {
    background: url('file_browse_pressed2.png') 0 0 no-repeat;
}

#file_browse{
    margin-left:-145px;
    opacity:0.0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);
}