function OnSubmit(thisForm) {
  if(Check_Str(thisForm.userID,"注册帐号")){
      if(Check_Str(thisForm.password,"登录密码")){
        thisForm.submit();
    }
  }
}


这用的按钮怎么编代码点击，输入账号密码和选择下拉菜单都会了  就是这个按钮不知道怎么搞定

求大家帮助  或者叫我怎么分析也好

[ 本帖最后由 qq11223456 于 2015-8-21 21:19 编辑 ]

登陆区域的代码如下    求大神帮忙               

    <tr>
                      <td width="70">注册帐号：</td>
                      <td width="126">
                        <input class="textbox" name="userID" style="width: 100%;height:20 " value="">
                      </td>
                    </tr>
                    <tr>
                      <td>登录密码：</td>
                      <td>
                        <input class="textbox" name="password" type="password"
                        onKeyPress="if (event.keyCode == 13) OnSubmit(document.form1);"
                        style="width: 100%;height:20 " >
                      </td>
                    </tr>
                    <tr>
                      <td colspan="2" align="center"><img style="CURSOR: hand" onClick=OnSubmit(document.form1);
                          src="images/wsbz_load_19.gif" width=44 height=20 alt="">
                          <a href="#" onclick="forgetPwd()"><img src="images/wangjm.gif" width="82" height="19" border="0"></a>
                      </td>
                    </tr>

WebBrowser1.Document.parentWindow.execScript "OnSubmit()", "JavaScript"

这段代码执行了JS 但是页面弹出脚本错误   无法获取未定义或null引用的属性"usrID"
但是页面上的账号和密码已经填上了

调用OnSubmit(document.form1);"的话  脚本错误属性OnSubmit的值为null、未定义或不是Functon对象代码

上面定义的是OnSubmit(thisForm)

调用这个的话提示thisform不是有效值