Javascript提交表单

<form action="login.do?act=login" method="post">     
　　<input type="submit" name="submit1" value="登陆"> 
</form>  

<form action="login.do?act=login" name="myform" method="post">     
　　<input type="button" name="submit1" value="登陆" onclick="javascript:document.myform.submit();" > 
</form>