mainAppModule.factory('dateService',function(){	
	return{		
		getDaysAddedDate : function(dateStr,days){					
			$date = new Date(dateStr);
			$date.setDate($date.getDate() + days);			
			return $date;					
		},
		getDaysBetween : function(date1,date2){
			$date1Ms = date1.getTime();
			$date2Ms = date2.getTime();
			var oneDayMs = 1000*60*60*24;			
			return Math.round(($date1Ms - $date2Ms) / oneDayMs);					
		}
	};	
});