<!DOCTYPE HTML>
<html>
<head>
<style type="text/css">
#div1, #div2
{float:left; width:100px; height:35px; margin:10px;padding:10px;border:1px solid #aaaaaa;}
</style>
<script type="text/javascript">
function allowDrop(ev)
{
ev.preventDefault();
}
var srcdiv = null;
function drag(ev,divdom)
{
srcdiv=divdom;
ev.dataTransfer.setData("text/html",divdom.innerHTML);
}
function drop(ev,divdom)
{
ev.preventDefault();
if(srcdiv != divdom){
srcdiv.innerHTML = divdom.innerHTML;
divdom.innerHTML=ev.dataTransfer.getData("text/html");
}
}
</script>
</head>
<body>
<div id="div1" ondrop="drop(event,this)" ondragover="allowDrop(event)" draggable="true" ondragstart="drag(event, this)">
<p>ni hao!</p>
</div>
<div id="div2" ondrop="drop(event,this)" ondragover="allowDrop(event)" draggable="true" ondragstart="drag(event, this)">
<p>Hello world!</p>
</div>
</body>
</html>
