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){}
                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.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(typeof obj == "object"){
                                        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;
                                        }
                                }
                        }
                }
        }();
};
if(!FlashDetect.installed)
  alert('您尚未安裝Flash撥放器,將無法正常瀏覽作品,請到 Flash官方網站\n下載免費最新版的 Flash播放器');
else if(!FlashDetect.majorAtLeast(9))
  alert('您的 Flash播放器版本過低(您的版本為: Flash '+FlashDetect.major+')將無法正常瀏覽作品,目前版本最低需求為\n\nFlash 9,請到 Flash官方網站下載免費最新版的 Flash播放器');