window: (function(){
            var browserAPI =    {
                File:false,
                MessageChannel:false,
                MessageEvent:false,
                MessagePort:false,
                SQLException:false,
                WebSocket:false,
                Worker:false,
                console:false,
                openDatabase:false,
                localStorage:false,
                Audio:false,
                JSON:false,
                TouchEvent:false,
                XMLHttpRequest:false,
                execScript:false,
                jQuery:false,
                ActiveXObjectOld:false,
                ActiveXObjectNew:false
            };


            for (var api in browserAPI) {
                browserAPI[api] = (api in window);
            }
            if(XMLHttpRequest === false){
                try{
                    ActiveXObject('Msxml2.XMLHTTP');
                    browserAPI.ActiveXObjectOld = true;
                }catch(e){
                    browserAPI.ActiveXObjectOld = false;
                }
                try{
                    ActiveXObject('Microsoft.XMLHTTP');
                    browserAPI.ActiveXObjectNew = true;
                }catch(e){
                    browserAPI.ActiveXObjectOld = false;
                }
            }
            return browserAPI;
        })(),