<script type="text/javascript">
 window.onload = function()
 {
  new Draggable("Div1");
  Droppables1.add("DropDiv",{onDrop:Dropped,hoverclass:'DropHover',revert: true});

  Droppables2.add("DropDiv",{onDrop:Dropped,hoverclass:'DropHover',revert: true});
 }
</script>
<div id="DropDiv1">1</div>
<div id="DropDiv2">2</div>
<div id="Div1" >Schieb</div>

<script type="text/javascript" src="lib/prototype.js"></script>
<script type="text/javascript" src="lib/scriptaculous.js"></script>