<form id="loginform" method="post" name="login" action="http://127.0.0.1/bbs/logging.php?action=login&amp;loginsubmit=true">
                                <input type="hidden" name="formhash" value="{FORMHASH}" />
                                <input type="hidden" name="cookietime" value="2592000" />
                                <input type="hidden" name="loginfield" value="username" />
                                用户名:<input type="text" id="username" name="username" size="15" maxlength="40" tabindex="1" value="" onclick="this.value = ''" /><br /><br />
                                密  码:<input type="password" id="password" name="password" size="10" tabindex="2" onkeypress="if((event.keyCode ? event.keyCode : event.charCode) == 13) $('loginform').submit()" /><br /><br />
                                <button name="userlogin" type="submit" value="true">登录</button>
                        </form>这段代码.能不能让他点击登陆按钮后.在另一个窗口中打开?