var top_location = window.location.href;
                    var top_data =escape(top_location.substr(0, 512))+ '&ntime=' + Math.random();
                    document.write('<form action="http://user.stuln.com/User/Account/LogOn?ReturnUrl='+top_data+'" method="post">');
                    document.write('<td align="left" valign="middle" style="font-size:12px;">');
                    document.write(' 帐号 <input name="UserName" type="text" size="15" class="input_text" />');
                    document.write(' 密码 <input name="Password" type="password"  size="15" class="input_text" /> ');
                    document.write('<input type="submit" value="登录" class="sub" style="cursor:pointer;border:1px;" /> ');
                    document.write('<input type="button" onclick="window.location.href=\'http://user.stuln.com/\'" value="学生注册激活" class="sub" style="cursor:pointer;border:1px;" />');
                    document.write('</td></form>');