适应浏览器大小的遮罩样式

 

ie7,8

#pageOverlay { position:fixed; top:0; left:0; z-index:1987; width:100%; height:100%; background:#000; filter:alpha(opacity=70); opacity:0.7; }

 

ie6 适应页面大小的 遮罩层样式

* html #pageOverlay { position: absolute; left: expression(documentElement.scrollLeft + documentElement.clientWidth - this.offsetWidth); top: expression(documentElement.scrollTop + documentElement.clientHeight - this.offsetHeight); }