<form action="aa.asp" method=post name="form1">
<input type="hidden" name="comid" value=????>
<a href="#" onclick="javascript:comid.value='1';submit()" value="1">进入1</a>
<a href="#" onclick=submit() value="2">进入2</a>
</form>
<input type="hidden" name="comid" value=????>
<a href="#" onclick="javascript:comid.value='1';submit()" value="1">进入1</a>
<a href="#" onclick=submit() value="2">进入2</a>
</form>
<input type="hidden" name="comid" value=????>
<a href="#" onclick="comid.value=this.value;submit()" value="1">进入1</a>
<a href="#" onclick=submit() value="2">进入2</a>
</form>
<input type="hidden" name="comid">
<a href="#" onclick="formsubmit(this)" value="1">进入1</a>
<a href="#" onclick=formsubmit(this) value="2">进入2</a>
</form>
<script>
function formsubmit(o)
{
document.all.form1.comid = o.value;
document.all.form1.submit();
}
</script>