按以下顺序 include .js库
<script type="text/javascript" src="../js/jquery-1.3.2.min.js"></script>
<script language="javascript">
var j = jQuery.noConflict();
</script>
<script type='text/javascript'
src='/ssh2_practice/dwr/interface/DWRUser.js'></script>
<script type='text/javascript' src='/ssh2_practice/dwr/engine.js'></script>
<script type='text/javascript' src='/ssh2_practice/dwr/util.js'></script>
把jquery 的$重新更换了成了 j