Someone

<?xml version="1.0" encoding="iso-8859-1"?><!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></title>

    <script type="text/javascript" src="/assets/js/prototype1.5.js"></script>
    <script type="text/javascript" src="/assets/js/scriptaculous.js"></script>
</head>
<body>    
<div id='dropZone' style="height: 200px;background:#f00;">Drop here</div>
<div id='dragZone' class='tagItem'><a id='a-dragZone' onclick='alert("2");' href='test2.html'>Test</a></div>

<script>
    new Draggable('dragZone',{revert:true});
    Droppables.add('dropZone', {accept: 'tagItem',hoverclass: 'drophover',onDrop: function(element, droppableElement,e)
            {
alert('ondrop');
            return false;
            } } );
</script>

</body>
</html>