遇到webBrowserC#困难！自学！请各位老师指点指点
<form method="post" id="loginForm" name="loginForm" action="/login2.action"onsubmit="return validateForm(this, '/main.jsp')" autocomplete="off">
<table width="264" border=0>
<tr>
<td width="70" height="100"> </td>
<td width="190"> </td>
</tr>
<tr>
<td height="25" align="right">用户类型</td>
<td align="left"><input type="radio" name="j_usertype" id="j_usertype_0"
value="0" checked="checked" onClick="$('#usertype').val(0);" />
集团 <input type="radio"
name="j_usertype" id="j_usertype_1" value="1"
onclick="$('#usertype').val(1);" /> 个人 <input type="hidden"
name="userType" id="usertype" value="0">
</td>
</tr>
<tr>
<td height="25" align="right">用户名</td>
<td align="left">
<input type="text" name="username" id="j_username"
tabindex="1" style="width: 160px;" />
</td>
</tr>
<tr>
<td height="25" align="right">密码</td>
<td align="left"><input type="password" name="password" id="j_password"
tabindex="2" style="width: 160px;" /></td>
</tr>
<tr>
<td height="25" align="right">验证码</td>
<td align="left"><input autocomplete="off" type="text" name="randomCode" id="j_randomCode"
tabindex="3" size="6" /><img id="pic_random_code"
name="pic_random_code" onClick="changeValidateCode(this)"
alt="看不清图片，点击图片换一张"
title="看不清图片，点击图片换一张" /></td>
</tr>
<tr>
<td height="51" colspan="2"><input
type="image"
src="images/login.jpg"
onClick="login();" /> <a href="#"><img
src="images/cancel.jpg"
width="65" height="26" style="cursor: hand; border: none;"
onclick="cancel();" /> </a>
</td>
</tr>
<tr>
<td height="20"> </td>
<td height="20"> </td>
</tr>
</table>
</form>
我用vs2010做，from提交数据时候需要点击登录（登录是一张图片images/login.jpg"） 我增加了webBrowser与button控件！我怎么将点击button控件然后from就自动登录跳转
