var MessageManager = (function(){
	var uniqueInstance;
	
	function construct(){
		function _getProperty(key, params){	// params is an array
			return I18NManager.getInstance().getProperty(key, params);
		};
		
		return {
			getProperty:_getProperty
		};
	};
	
	return {
		getInstance:function(){
			if(!uniqueInstance){
				uniqueInstance = construct();
			}
			return uniqueInstance;
		}			
	};	
})();