Collecting Browser Settings about Flash

/*
 * Author: $ Blade83
 * Filename: client.js
 *
 * This Script collects settings about Flashplayer- Plugin on the Client´s side and
 * stored them in cookies. So we can access via PHP on that cookies and get the
 * informations about the Flashplayer on the Client Browser.
*/

function set_a_Cookie(c_name,value,exdays)
{
    var exdate=new Date();
    exdate.setDate(exdate.getDate() + exdays);
    var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
    document.cookie=c_name + "=" + c_value;
}
var FlashDetect = new function(){
    var self = this;
    self.installed = false;
    self.raw = "";
    self.major = -1;
    self.minor = -1;
    self.revision = -1;
    self.revisionStr = "";
    var activeXDetectRules = [
        {
            "name":"ShockwaveFlash.ShockwaveFlash.7",
            "version":function(obj){
                return getActiveXVersion(obj);
            }
        },
        {
            "name":"ShockwaveFlash.ShockwaveFlash.6",
            "version":function(obj){
                var version = "6,0,21";
                try{
                    obj.AllowScriptAccess = "always";
                    version = getActiveXVersion(obj);
                }catch(err){}
                return version;
            }
        },
        {
            "name":"ShockwaveFlash.ShockwaveFlash",
            "version":function(obj){
                return getActiveXVersion(obj);
            }
        }
    ];
    var getActiveXVersion = function(activeXObj){
        var version = -1;
        try{
            version = activeXObj.GetVariable("$version");
        }catch(err){}
        return version;
    };
    var getActiveXObject = function(name){
        var obj = -1;
        try{
            obj = new ActiveXObject(name);
        }catch(err){
            obj = {activeXError:true};
        }
        return obj;
    };
    var parseActiveXVersion = function(str){
        var versionArray = str.split(",");//replace with regex
        return {
            "raw":str,
            "major":parseInt(versionArray[0].split(" ")[1], 10),
            "minor":parseInt(versionArray[1], 10),
            "revision":parseInt(versionArray[2], 10),
            "revisionStr":versionArray[2]
        };
    };
    var parseStandardVersion = function(str){
        var descParts = str.split(/ +/);
        var majorMinor = descParts[2].split(/\./);
        var revisionStr = descParts[3];
        return {
            "raw":str,
            "major":parseInt(majorMinor[0], 10),
            "minor":parseInt(majorMinor[1], 10),
            "revisionStr":revisionStr,
            "revision":parseRevisionStrToInt(revisionStr)
        };
    };
    var parseRevisionStrToInt = function(str){
        return parseInt(str.replace(/[a-zA-Z]/g, ""), 10) || self.revision;
    };
    self.majorAtLeast = function(version){
        return self.major >= version;
    };
    self.minorAtLeast = function(version){
        return self.minor >= version;
    };
    self.revisionAtLeast = function(version){
        return self.revision >= version;
    };
    self.versionAtLeast = function(major){
        var properties = [self.major, self.minor, self.revision];
        var len = Math.min(properties.length, arguments.length);
        for(i=0; i < len; i++){
            if(properties[i] >= arguments[i]){
                if(i+1 < len && properties[i]==arguments[i]){
                    continue;
                }else{
                    return true;
                }
            }else{
                return false;
            }
        }
    };
    self.FlashDetect = function(){
        if(navigator.plugins && navigator.plugins.length>0){
            var type = 'application/x-shockwave-flash';
            var mimeTypes = navigator.mimeTypes;
            if(mimeTypes && mimeTypes[type] && mimeTypes[type].enabledPlugin && mimeTypes[type].enabledPlugin.description){
                var version = mimeTypes[type].enabledPlugin.description;
                var versionObj = parseStandardVersion(version);
                self.raw = versionObj.raw;
                self.major = versionObj.major;
                self.minor = versionObj.minor;
                self.revisionStr = versionObj.revisionStr;
                self.revision = versionObj.revision;
                self.installed = true;
            }
        }
        else if(navigator.appVersion.indexOf("Mac")==-1 && window.execScript){
            var version = -1;
            for(var i=0; i < activeXDetectRules.length && version==-1; i++){
                var obj = getActiveXObject(activeXDetectRules[i].name);
                if(!obj.activeXError){
                    self.installed = true;
                    version = activeXDetectRules[i].version(obj);
                    if(version!=-1){
                        var versionObj = parseActiveXVersion(version);
                        self.raw = versionObj.raw;
                        self.major = versionObj.major;
                        self.minor = versionObj.minor;
                        self.revision = versionObj.revision;
                        self.revisionStr = versionObj.revisionStr;
                    }
                }
            }
        }
        // lets write this information in a cookie
        set_a_Cookie("flash_raw",self.raw,1);
        set_a_Cookie("flash_major",self.major,1);
        set_a_Cookie("flash_minor",self.minor,1);
        set_a_Cookie("flash_revisionStr",self.revisionStr,1);
        set_a_Cookie("flash_revision",self.revision,1);
        set_a_Cookie("flash_installed",self.installed,1);
    }();
};

var Browserdimensions = new function(){
    var self = this;
    self.winW = 0;
    self.winH = 0;
    if (document.body && document.body.offsetWidth) {
        self.winW = document.body.offsetWidth;
        self.winH = document.body.offsetHeight;
    }
    if (document.compatMode=='CSS1Compat' && document.documentElement && document.documentElement.offsetWidth ) {
        self.winW = document.documentElement.offsetWidth;
        self.winH = document.documentElement.offsetHeight;
    }
    if (window.innerWidth && window.innerHeight) {
        self.winW = window.innerWidth;
        self.winH = window.innerHeight;
    }
    set_a_Cookie("windowWidth",self.winW,1);
    set_a_Cookie("windowHeight",self.winH,1);
};