#mask_intranet {background:#000; position:absolute; top:0; left:0; z-index:40; opacity:0.8}

/* ajax loader */
#ajax_loader {text-align:center; position:relative; background:#DDDDDD; z-index:2002; opacity:0.6; }
#ajax_loader table{width:100%;height:100%;}
#ajax_loader table td{vertical-align:middle}