div frame

Set up your IFRAME:

<IFRAME style="DISPLAY: none; LEFT: 0px; POSITION: absolute; TOP: 0px" src="javascript:false;" frameBorder="0" scrolling="no"></IFRAME>

iframe.style.top
iframe.style.left
iframe.style.width
iframe.style.height
iframe.style.zIndex
iframe.style.display

iframe.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'========

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;在Layer中再插Iframe或Object设z-Index值　<divz-Index:2><objectxxx></object>＃前面　<divz-Index:1><objectxxx></object>＃后面　<divid="Layer2"style="position:absolute;top:40;width:400px;　height:95px;z-index:2">height=100%width=100%>　<iframewidth=0height=0></iframe>　</div>　<divid="Layer1"style="position:absolute;top:50;width:200px;　height:115px;z-index:1">　<iframeheight=100%width=100%></iframe>　</div>