function flash_detection(required, max)
{
    var required_version = required;
    var max_version = max;
    var available_version = 0;

    if(typeof(navigator.plugins["Shockwave Flash"]) == "object")
    {
        var description = navigator.plugins["Shockwave Flash"].description;
        available_version = description.substr(16, (description.indexOf(".", 16) - 16));
    }
     else if(typeof(ActiveXObject) == "function")
    {
        for(var i = 2; i < (max_version + 1); i ++)
        {
            try
            {
                if(typeof(new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + i)) == "object")
                {
                    available_version = i;
                }
           }
           catch(error)
           {
           }
        }
    }
    return [available_version, required_version];
}