demo/bower_components/ko.plus/dist/ko.plus.js
function (callback) {
		callbacks.fail.push(function () {
			var result = callback.apply(this, arguments);
			if (result) {
				failMessage(result);
			}
		});
		return execute;
	}
function (callback) {
		callbacks.fail.push(function () {
			var result = callback.apply(this, arguments);
			if (result) {
				failMessage(result);
			}
		});
		return execute;
	}
function ( callback ) { callbacks . fail . push ( function ( ) { var result = callback . apply ( this , arguments ) ; if ( result ) { failMessage ( result ) ; } } ) ; return execute ; }
function used to append failure callbacks
function used to append failure callbacks