日期:2014-05-17  浏览次数:20686 次

JS+CSS简单实现DIV遮罩层显示隐藏【转】
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  <html xmlns="http://www.w3.org/1999/xhtml" >
 <head>
     <title>DIV CSS遮罩层</title>
     <script language="javascript" type="text/javascript">
         function showdiv() {            
             document.getElementById("bg").style.display = "block";
             document.getElementById("show").style.display = "block";
         }
         function hidediv() {
             document.getElementById("bg").style.display = 'none';
             document.getElementById("show").style.display = 'none';
         }
     </script>
     <style type="text/css">
         #bg{ display: none;  position: absolute;  top: 0%;  left: 0%;  width: 100%;  height: 100%;  background-color: black;  z-index:1001;  -moz-opacity: 0.7;  opacity:.70;  filter: alpha(opacity=70);}
         #show{display: none;  position: absolute;  top: 25%;  left: 22%;  width: 53%;  height: 49%;  padding: 8px;  border: 8px solid #E8E9F7;  background-color: white;  z-index:1002;  overflow: auto;}
     </style>
 </head>
 <body>
     <input id="btnshow" type="button" value="Show" onclick="showdiv();" />
     <div id="bg"></div>
     <div id="show">测试
         <input id="btnclose" type="button" value="Close" onclick="hidediv();" />
     </div>
 </body>
 </html>

原文地址:http://www.cnblogs.com/aspx-net/archive/2011/03/11/1981071.html

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