(function(ajax) {
	var ERROR_MESSAGES_MAP = {
		0: 'You are offline! Please check your internet connection.',
		404: "Sorry! We couldn't find what you were looking for.",
		500: "Sorry! There was an error, please try again later."		
	};
	
	// Public
	ajax.init = function() {
		var ignoreAjaxErrors = false;
		$(window).bind('beforeunload', function() {
			ignoreAjaxErrors = true;
		});
		
		$.ajaxSetup({
		    error: function(xhr) {
				if (!ignoreAjaxErrors) {
					alert(ERROR_MESSAGES_MAP[xhr.status] || 'Sorry, there was an error!');
				}
		    }
		});		
	};
	
	// Private
})($.namespace('WEBLINC.ajax'));