1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <title>代码非常简洁且兼容多浏览器的拖动层</title>
5 </head>
6 <body>
7 <div id="f" style="position: absolute; width: 500px; height: 350px; background-color: #ccc; top: 150px; left: 200px; z-index: 101; border: solid 1px blue;">
8 <div id="title" style="background-color: Blue; cursor: move; height: 20px; color: #fff;font-size: 13px; padding-top: 5px; padding-left: 10px;">这里是层标题websjy.com</div>
9 </div>
10
11 <script type="text/javascript">
12 var posX;
13 var posY;
14 fdiv = document.getElementById("f");
15 document.getElementById("title").onmousedown=function(e)
16 {
17 if(!e) e = window.event;
18 posX = e.clientX - parseInt(fdiv.style.left);
19 posY = e.clientY - parseInt(fdiv.style.top);
20 document.onmousemove = mousemove;
21 }
22 document.onmouseup = function()
23 {
24 document.onmousemove = null;
25 }
26 function mousemove(ev)
27 {
28 if(ev==null) ev = window.event;
29 fdiv.style.left = (ev.clientX - posX) + "px";
30 fdiv.style.top = ev.clientY - posY + "px";
31 }
32 </script>
33 </body>
34 </html>
