#iframeWindowDiv { background:#fff; position:absolute; left:100px; top:100px; z-index:100; display:none; } * html body #fadingDiv, * html body #progressBarDiv { background:#021f3c; filter: alpha(opacity=80); width:100%; height:500px; } #fadingDiv, #progressBarDiv { background:url(/files/iframe/fading.png); position:absolute; top:0px; left:0px; z-index:90; width:100%; height:500px; display:none; } #progressBarDiv { text-align:center; padding-top:200px; display:none; }