[rainyleaves]

Thanks!! for your time , Rich.

I found my problem.
Conflict code is red code.
I fixed that after deleted the red code.
I think the red code is overlapped with VBcredit's same code.

Anyway, Thanks for your reply.

<script type="text/javascript" src="clientscript/vbulletin_ajax_threadrate.js?v=368"></script>
<script type="text/javascript">
<!--
vB_AJAX_ThreadRate_Init('showthread_threadrate_for m');
var threadid = $threadinfo[threadid];
window.alert = null;
//-->
</script>