tracker={}
tracker.adapters=[]
tracker.Tracker=function(){
this.trackContentView=function(pageName){
	for(var i=0;i<tracker.adapters.length;i++){
		tracker.adapters[i].trackContentView(pageName)
	}
}
this.trackEvent=function(category, action, optional_label, optional_value){
	for(var i=0;i<tracker.adapters.length;i++){
		tracker.adapters[i].trackEvent(category, action, optional_label, optional_value)
	}
}
this.trackException=function(exc,context){
	//logowanie na zdalny serwer
}
}
tracker.instance=new tracker.Tracker()