封装常用Javascript以便PHP快速调用

封装常用的JS参数方便PHP调用：
";
        echo $msg;
        echo "
";
    }
    /**
     * 刷新当前页
     */
    function Reload()
    {
        $msg = "location.reload();";
        JS::FreeResource();
        JS::_Write($msg);
        exit;
    }
    /**
     * 刷新弹出父页
     */
    function ReloadOpener()
    {
        $msg = "if (opener)    opener.location.reload();";
        JS::_Write($msg);
    }
    /**
     * 跳转到url
     * @param $url 目标页
     */
    function Goto($url)
    {
        $msg = "location.href = '$url';";
        JS::FreeResource();
        JS::_Write($msg);
        exit;
    }
    /**
     * 关闭窗口
     */
     function Close()
     {
         $msg = "window.close()";
        JS::FreeResource();
        JS::_Write($msg);
        exit; 
     }
    /**
     * 提交表单
     * @param $frm 表单名
     */
    function Submit($frm)
    {
        $msg = $frm.".submit();";
        JS::_Write($msg);
    }
    /**
     * 关闭数据库连接
     */
    function FreeResource()
    {
        // 数据库连接标志
        global $conn;
        if (is_resource($conn))
            @mysql_close($conn);
    }
}
?>