<!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>
<title> New Document </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-CN" />
<meta name="Design Corp" content="myhhe.cn" />
<meta name="Designer" content="hayden" />
<meta name="Designer mail" content="[email protected]" />
<meta name="robots" content="hayden" />
<meta name="Keywords" content="" />
<meta name="Description" content="" />
<script language="JavaScript" type="text/javascript">
var drag_=false
var D=new Function('obj','return document.getElementById(obj);')
var oevent=new Function('e','if (!e) e = window.event;return e')
function Move_obj(obj){
var x,y;
D(obj).onmousedown=function(e){
drag_=true;
with(this){
style.position="absolute";var temp1=offsetLeft;var temp2=offsetTop;
x=oevent(e).clientX;y=oevent(e).clientY;
document.onmousemove=function(e){
if(!drag_)return false;
with(this){
style.left=temp1+oevent(e).clientX-x+"px";
style.top=temp2+oevent(e).clientY-y+"px";
}
}
}
document.onmouseup=new Function("drag_=false");
}
}
</script>
<body>
<div id="test" style="background-color:#0099CC;width:200px;height:100px;border:1px #000 solid;" onmouseover='Move_obj("test")'>鼠标过来点击拖动层</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> New Document </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-CN" />
<meta name="Design Corp" content="myhhe.cn" />
<meta name="Designer" content="hayden" />
<meta name="Designer mail" content="[email protected]" />
<meta name="robots" content="hayden" />
<meta name="Keywords" content="" />
<meta name="Description" content="" />
<script language="JavaScript" type="text/javascript">
var drag_=false
var D=new Function('obj','return document.getElementById(obj);')
var oevent=new Function('e','if (!e) e = window.event;return e')
function Move_obj(obj){
var x,y;
D(obj).onmousedown=function(e){
drag_=true;
with(this){
style.position="absolute";var temp1=offsetLeft;var temp2=offsetTop;
x=oevent(e).clientX;y=oevent(e).clientY;
document.onmousemove=function(e){
if(!drag_)return false;
with(this){
style.left=temp1+oevent(e).clientX-x+"px";
style.top=temp2+oevent(e).clientY-y+"px";
}
}
}
document.onmouseup=new Function("drag_=false");
}
}
</script>
<body>
<div id="test" style="background-color:#0099CC;width:200px;height:100px;border:1px #000 solid;" onmouseover='Move_obj("test")'>鼠标过来点击拖动层</div>
</body>
</html>
#img1{
border:1px green solid;
position:absolute;
left:2px;
top:43px;
width:147px;
height:90px;
z-index:100;
visibility: visible;
}</style>
<div id="img1">
<img src="http://gjp.kancai.com/images/gjp.bmp" alt="" /></div>
<script>
var xPos = 300;
var yPos = 200;
var step = 1;
var delay = 20;
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
img1.style.top = yPos;
function changePos()
{
width = document.body.clientWidth;
height = document.body.clientHeight;
Hoffset = img1.offsetHeight;
Woffset = img1.offsetWidth;
img1.style.left = xPos + document.body.scrollLeft;
img1.style.top = yPos + document.body.scrollTop;
if (yon)
{yPos = yPos + step;}
else
{yPos = yPos - step;}
if (yPos < 0)
{yon = 1;yPos = 0;}
if (yPos >= (height - Hoffset))
{yon = 0;yPos = (height - Hoffset);}
if (xon)
{xPos = xPos + step;}
else
{xPos = xPos - step;}
if (xPos < 0)
{xon = 1;xPos = 0;}
if (xPos >= (width - Woffset))
{xon = 0;xPos = (width - Woffset); }
}
function start()
{
img1.visibility = "visible";
interval = setInterval('changePos()', delay);
}
function pause_resume()
{
if(pause)
{
clearInterval(interval);
pause = false;}
else
{
interval = setInterval('changePos()',delay);
pause = true;
}
}
start();
</script>
http://gi.2288.org/test/sqJsTools/tools/DragAndDrop/DragAndDrop1/Demo/General.html