<html>
<title></title>
<body>
<div id="f" style="position: absolute; width: 200px; height: 150px; background-color: #ccc;top: 150px; left: 200px; z-index: 101; border: solid 1px blue;">
<div id="title" style="background-color: Blue; cursor: move; height: 20px; color: #fff;font-size: 13px; padding-top: 5px; padding-left: 10px;">
拖动层
</div>
</div>
</body>
</html>
<script type="text/javascript">
var posX;
var posY;
fdiv = document.getElementById("f");
document.getElementById("title").onmousedown=function(e)
{
if(!e) e = window.event;
posX = e.clientX - parseInt(fdiv.style.left);
posY = e.clientY - parseInt(fdiv.style.top);
document.onmousemove = mousemove;
}
document.onmouseup = function()
{
document.onmousemove = null;
}
function mousemove(ev)
{
if(ev==null) ev = window.event;
fdiv.style.left = (ev.clientX - posX) + "px";
fdiv.style.top = ev.clientY - posY + "px";
}
</script>
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