HTML+JS弹出可移动DIV遮罩层

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>个人介绍</title>
<style>
body{
margin:0px;
padding:0px;
font-size:14px;
}
#t  {
position:absolute;
float:left;
left:0px;
top:0px;
}
#a  {
float:left;
}
.al {
opacity: 0.80;
filter : progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=80,finishOpacity=100);
}
.al2{
opacity: 0.00;
filter : progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0,finishOpacity=100);
}
U {
DISPLAY: block;
OVERFLOW: hidden;
HEIGHT: 1px
}
U.f1 {
background-color:#5cc;
BACKGROUND: #5cc;
MARGIN: 0px 3px
}
U.f2 {
background-color:#5cc;
BORDER-RIGHT: #5cc 2px solid;
MARGIN: 0px 1px;
BORDER-LEFT: #5cc 2px solid
}
U.f3 {
background-color:#5cc;
BORDER-RIGHT: #5cc 1px solid;
MARGIN: 0px 1px;
BORDER-LEFT: #5cc 1px solid
}
.d_top{
clear:both;
overflow:hidden;
background-color:#5cc;
height:29px;
vertical-align:bottom;
}
.d_top a{
float:right;
margin-top:5px;
margin-right:13px;
padding-top:3px;
width:18px;
color:red;
background-color:#789;
text-decoration:none;
font-weight:bold;
text-align:center;
vertical-align:middle;
}
.d_top span{
float:left;
font-size:13px;
margin-left:15px;
margin-top:8px;
}
.d_body {
BORDER-RIGHT: #5cc 3px solid;
BORDER-LEFT: #5cc 3px solid;
padding:10px;
height:200px;
background-color:#fff;
}
.d_foot{
clear:both;
overflow:hidden;
background-color:#5cc;
height:2px;
}
</style>
<script type="text/javascript">
function $(id){return document.getElementById(id);}
function show(id){
var t = $(id);
t.style.width=document.body.clientWidth;
t.style.height=document.body.clientHeight;
window.onresize=function(){
t.style.width=document.body.clientWidth;
t.style.height=document.body.clientHeight;
}
$(id).style.display="";
}
function cl(id){
$(id).style.display="none";
}
//-------------------------------------------------------------------------------
function moveEvent(e,id){
var isIE = (document.all)?true:false;
//navigator.userAgent.toLowerCase().indexOf("msie") != -1;
//var event=window.event||event;
drag = true;
xx=isIE?event.x:e.pageX;
yy=isIE?event.y:e.pageY;
L = document.getElementById(id).offsetLeft;
T = document.getElementById(id).offsetTop;
document. = function(e) {
if (drag) {
x=isIE?event.x:e.pageX;     if(x<0)x=0;
y=isIE?event.y:e.pageY;     if(y<0)y=0;
document.getElementById(id).style.left = L-xx+x;
document.getElementById(id).style.top  = T-yy+y;
}
}
document. = false;
}
}
window.onscroll=function(){
$("back_div").style.width=document.body.scrollWidth;
$("back_div").style.height=document.body.scrollHeight;
}
</script>
</head>
<body>
<div style="position:absolute; left:300px; top:200px;">
<!--以下是调用方法-->
<a href="javascript:" onClick="show('t')">提示:点这里查看个人介绍</a>
</div>
<!--以下是弹出遮罩层的div-->
<div id="t" style="display:none;">
<div style="width:100%;height:100%; z-index:100; position:absolute; float:left; background-color:#555;overflow:hidden;" class="al" id="back_div">
<iframe style="position:absolute; left:0px; top:0px; left:0px; bottom:0px; float:left; z-index:-1; margin:0px; padding:0px;" frameborder="0" scrolling="no" width="100%" height="2000px;" class="al2" id="ifr"></iframe>
</div>
<DIV style="WIDTH: 500px; position:absolute;float:left;top:25%; left:30%; z-index:999; clear:both; overflow:hidden;" id="t_div">
<iframe style="position:absolute; left:0px; top:0px; left:0px; bottom:0px; float:left; z-index:-1; margin:0px; padding:0px;" frameborder="0" scrolling="no" width="100%" height="2000px;" class="al2" id="ifr"></iframe>
<U class="f1"></U><U class="f2"></U><U class="f3"></U>
<div class="d_top" onMouseDown="moveEvent(event,'t_div')">
<span>系统提示</span>
<a href="javascript:" onClick="cl('t')">×</a>
</div>
<DIV class="d_body" >个人介绍:计算机知识、网站运营、软件开发、平面设计等专业。
</DIV>
<div class="d_foot"></div>
<U class="f3"></U><U class="f2"></U><U class="f1"></U>
</DIV>
</div>
<!--以上是弹出遮罩层的div-->
</body>
</html>

 

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