隐藏表单post提交参数方法

function submit(){

$("#form2").submit();
}

<form id="form2" action="http://192.168.123.101:8888/xmc/j_spring_security_check" method ="post">
   <input id ="name" type="hidden" name="j_username" value="aaa"></input>
   <input  id ="pass" type="hidden" name="j_password" value="aaa"> </input>
   <img id="xuanran" src="images/service1.jpg" width="367" height="201" border="0" onclick="return submit()"/>
</form>