/* ___________ IE6 IFRAME FIX ________ */
.ui-datepicker-cover {
    display: none; /*sorry for IE5*/
    display/**/: block; /*sorry for IE5*/
    position: absolute; /*must have*/
    z-index: -1; /*must have*/
    filter: mask(); /*must have*/
    top: -4px; /*must have*/
    left: -4px; /*must have*/
    width: 200px; /*must have*/
    height: 200px; /*must have*/
}