div popup effect css and JS

Directly on the code:
HTML code:

HTML code <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" > 
 JS Code: 
 
 

JS code function Show (tag) {var Light=document.getelementbyid (tag);  var Fade=document.getelementbyid (' fade ');  light.style.display= ' block ';  fade.style.display= ' block ';  } function Hide (tag) {var Light=document.getelementbyid (tag);  var Fade=document.getelementbyid (' fade ');  Light.style.display= ' None '; Fade.style.display= ' None ';  CSS code: JS code * {margin:0; padding:0}  HTML, body {height:100%;  width:100%;  FONT-SIZE:12PX}. white_content {display:none;  Position:absolute;  top:25%;  left:25%;  width:30%;  PADDING:6PX 16px;  border:12px solid #D6E9F1;  Background-color:white;  z-index:1002; Overflow:auto;  }. black_overlay {display:none;  Position:absolute;  top:0%;  left:0%;  width:100%;  height:100%;  Background-color: #f5f5f5;  z-index:1001;  -moz-opacity:0.8;  opacity:.80; Filter:alpha (opacity=80);  }. close {float:right;  Clear:both;  width:100%;  Text-align:right; margin:0  0 6px 0}. Close a {color: #333;  Text-decoration:none;  font-size:14px; Font-weight:700}. con {text-indent:1.5pc; LINE-HEIGHT:21PX}

Ok

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