javascripts 实习自动提交表单 onsubmit

html:
<form id="formwb" onsubmit="return setPassword();">


<script>
   document.forms[0].onsubmit();

    function setPassword() {
            //rfb.sendPassword($D('password_input').value);
            rfb.sendPassword("passw0rd");
            return false;
        }
</script>