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];
}