<form name="regsterform" method="post" action=""> 
<input name="button" type="button" class="bt1" value="注  册"  onclick=regster()>
<input name="Submit2" type="submit" class="bt1" value="登  录">         
   </form>函数为如下:
<script language="javascript">
<!--
function regster()

   var reg;
   reg=document.regsterform;
   reg.action="/reg/reg.htm";
   reg.submit();
}
//-->
</script>