var html = '';
    html += '<div class="ulogin">';    
    html += '<form method="post" action="http://www.19lou.com/passportlogin.php?action=login&referer=http%3A%2F%2Fwww.19lou.com%2Fsitemap.php">';
    html += '<input type="text" name="username" value="用户名" onclick="this.value=\'\'" />';
    html += '<input type="password" name="password" />';
    html += '<input class="remember" type="checkbox" name="next" value="1" checked="true" /><span>记住密码</span>';
    html += '<input type="submit" class="btn_sumbit" name="submit" value="" />';
    html += '<input type="hidden" name="loginsubmit" value="login" />';
    html += '</form>';
   
    html += '<span><a href="http://www.19lou.com/register.php">注册</a></span>';
    html += '</div>';
    document.write(html);