tracker.GaAdapter = function(){
    this.trackContentView = function(pageName){
		try{
			gaPageTracker._trackPageview(pageName)
		}catch(e){}
    
    }
    this.trackEvent = function(category, action, optional_label, optional_value){
		try{
			category=category || "default"
			action=action || "default"
			if(optional_label==''){
				optional_label=null
			}
			if(optional_value==''){
				optional_value=null
			}
			gaPageTracker._trackEvent(category, action, optional_label, optional_value)
		}catch(e){}
    
    }
}
tracker.adapters.push(new tracker.GaAdapter())