$.fn.DelayedKey = function(fn, iKeyDelay, sKeyEvent) {
                var iTimeoutId,
                        oEventData;

                if (!$.isFunction(fn)) {
                    oEventData = arguments[0];
                    fn = arguments[1];
                    iKeyDelay = arguments[2];
                    sKeyEvent = arguments[3];
                }

                if (!iKeyDelay || 0 > iKeyDelay) {
                    iKeyDelay = 500;
                }

                if (!sKeyEvent || !this[sKeyEvent]) {
                    sKeyEvent = 'keydown';
                }

                function fnExecCallback() {
                    clearTimeout(iTimeoutId);
                    fn.apply(this, arguments);
                }

                function fnDelayCallback() {
                    var that = this,
                            args = arguments;
                    clearTimeout(iTimeoutId);
                    iTimeoutId = setTimeout(function() {
                        fnExecCallback.apply(that, args);
                    }, iKeyDelay);
                }

                if (oEventData) {
                    this.change(oEventData, fnExecCallback);
                    this[sKeyEvent](oEventData, fnDelayCallback);
                }
                else {
                    this.change(fnExecCallback);
                    this[sKeyEvent](fnDelayCallback);
                }

                return this;
            };