JavaScript特效--拖动DIV层
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
<!--
window.onload=function(){
objDiv = document.getElementById('layout');
drag(objDiv);
};
function drag(dv){
dv.onmousedown=function(e){
var d=document;
e = e || window.event;
var x= e.layerX || e.offsetX;
var y= e.layerY || e.offsetY;
//设置捕获范围
if(dv.setCapture){
dv.setCapture();
}else if(window.captureEvents){
window.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP);
}
d.onmousemove=function(e){
e= e || window.event;
if(!e.pageX)e.pageX=e.clientX;
if(!e.pageY)e.pageY=e.clientY;
var tx=e.pageX-x;
var ty=e.pageY-y;
dv.style.left=tx;
dv.style.top=ty;
};
d.onmouseup=function(){
//取消捕获范围
if(dv.releaseCapture){
dv.releaseCapture();
}else if(window.captureEvents){
window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);
}
//清除事件
d.onmousemove=null;
d.onmouseup=null;
};
};
}
//-->
</script>
<style type="text/css">
<!--
#layout{
position:absolute;
width:220px;
height:80px;
background:#999999;
border:solid 1px #000000;}
-->
</style>
</head>
<body>
<div id="layout"><a href="http://blog.csdn.com/zzqupy">My name is ZZQupy!!!</a></div>
</body>
</html>
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