Workaround to send KeyboardEvents in Webkit

SendKeyboardEvents

		/*
		 * This function helps to resolve an issue with sending Keyboard Events in Webkit
		 */
		function sendKeyEvent(window, k) {
			var oEvent = window.document.createEvent('KeyboardEvent');

			// Chromium Hack
			Object.defineProperty(oEvent, 'keyCode', {
				get : function () {
					return this.keyCodeVal;
				}
			});

			Object.defineProperty(oEvent, 'which', {
				get : function () {
					return this.keyCodeVal;
				}
			});

			if (oEvent.initKeyboardEvent) {
				oEvent.initKeyboardEvent("keydown", true, true, window.document.defaultView, false, false, false, false, k, k);
			} else {
				oEvent.initKeyEvent("keydown", true, true, window.document.defaultView, false, false, false, false, k, 0);
			}

			oEvent.keyCodeVal = k;

			if (oEvent.keyCode !== k) {
				alert("keyCode mismatch " + oEvent.keyCode + "(" + oEvent.which + ")");
			}

			window.document.dispatchEvent(oEvent);
		}