<html>
	<head>
	<title>LIGHTBOX EXAMPLE</title>
	<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <style type="text/css">
          .black_overlay{
             display: none; 
             position: absolute;  
             top: 0%;  
             left: 0%;  
             width: 100%;  
             height: 100%;  
             background-color: black;  
             z-index:1001;  
             -moz-opacity: 0.8;  
             opacity:.80;  
             filter: alpha(opacity=80);  
        } 
        .white_content {
            display: none;  
            position: absolute; 
            top: 25%; 
            left: 25%; 
            width: 25%; 
            height: 25%; 
            padding: 16px;
            border: 2px solid orange; 
            background-color: white; 
            z-index:1002;
            overflow: auto;
        }  
    </style>
    <script language="javascript">
        function openWindow(){
            document.getElementById('light').style.display='block';
            document.getElementById('fade').style.display='block';
        }
        function closeWindow(){
            document.getElementById('light').style.display='none';
            document.getElementById('fade').style.display='none';
        }
    </script>
	</head>
	<body>    
    <p>可以根据自己要求修改css样式
    <input type="button" value="点击这里打开窗口" onclick="openWindow()"/></p>
    <div id="light" class="white_content">
     This is the lightbox content.
     <a href="#" onClick="closeWindow()"> Close</a>
    </div>
    <div id="fade" class="black_overlay"></div>
	</body>
</html>