diff --git a/Definitions/jqueryui-1.9.d.ts b/Definitions/jqueryui-1.9.d.ts
index cb68a5594..a9788562c 100644
--- a/Definitions/jqueryui-1.9.d.ts
+++ b/Definitions/jqueryui-1.9.d.ts
@@ -1,11 +1,256 @@
-/// <reference path="jquery.d.ts"/>
+/// <reference path="jquery-1.8.d.ts"/>
 
-// Partial typing for the jQueryUI library, version 1.8.x
+// Type definitions for jQueryUI 1.9
+// Project: http://jqueryui.com/
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+
+// Widget //////////////////////////////////////////////////
+
+interface Widget {
+
+    // Methods
+    destroy();
+    disable();
+    enable();
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    refresh(): void;
+    widget(): JQuery;
+
+    // Events
+    create(event: Event, ui): void;
+}
+
+
+// Accordion //////////////////////////////////////////////////
+
+interface Accordion extends Widget {
+
+    // Options
+    active?: any; // bool or number
+    animate?: any; // bool, number, string or object
+    collapsible?: bool;
+    disabled?: bool;
+    event?: string;
+    header?: any; // TODO: Selector
+    heightStyle?: string;
+    icons?: any;
+
+    // Methods
+    destroy();
+    disable();
+    enable();
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    refresh();
+    widget(): JQuery;
+
+    // Events
+    activate(event: Event, ui): void;
+    beforeActivate(event: Event, ui): void;
+    create(event: Event, ui): void;
+}
+
+
+// Autocomplete //////////////////////////////////////////////////
+
+interface Autocomplete {
+
+    // Options
+    appendTo?: any; //Selector;
+    autoFocus?: bool;
+    delay?: number;
+    disabled?: bool;
+    minLength?: number;
+    position?: any; // TODO: JqueryPosition
+    source?: any; // [], string or ()
+
+    // Methods
+    close();
+    destroy();
+    disable();
+    enable();
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    search(value?: string);
+    widget(): JQuery;
+
+    // Events
+    change(event: Event, ui): void;
+    close(event: Event, ui): void;
+    create(event: Event, ui): void;
+    focus(event: Event, ui): void;
+    open(event: Event, ui): void;
+    response(event: Event, ui): void;
+    search(event: Event, ui): void;
+    select(event: Event, ui): void;
+}
+
+
+// Button //////////////////////////////////////////////////
+
+interface Button {
+
+    // Options
+    disabled?: bool;
+    icons?: any;
+    label?: string;
+    text?: bool;
+
+    // Methods
+    destroy();
+    disable();
+    enable();
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    refresh();
+    widget(): JQuery;
+
+    // Events
+    create(event: Event, ui): void;
+}
+
+
+// Datepicker //////////////////////////////////////////////////
+
+interface Datepicker {
+
+    // Options
+    altFieldType?: any; // Selecotr, jQuery or Element
+    altFormat?: string;
+    appendText?: string;
+    autoSize?: bool;
+    beforeShow?: (input: Element, inst: any) => void;
+    beforeShowDay?: (date: Date) => void;
+    buttonImage?: string;
+    buttonImageOnly?: bool;
+    buttonText?: string;
+    calculateWeek?: () => any;
+    changeMonth?: bool;
+    changeYear?: bool;
+    closeText?: string;
+    constrainInput?: bool;
+    currentText?: string;
+    dateFormat?: string;
+    dayNames?: string[];
+    dayNamesMin?: string[];
+    dayNamesShort?: string[];
+    defaultDateType?: any; // Date, number or string
+    duration?: string;
+    firstDay?: number;
+    gotoCurrent?: bool;
+    hideIfNoPrevNext?: bool;
+    isRTL?: bool;
+    maxDate?: any; // Date, number or string
+    minDate?: any; // Date, number or string
+    monthNames?: string[];
+    monthNamesShort?: string[];
+    navigationAsDateFormat?: bool;
+    nextText?: string;
+    numberOfMonths?: any; // number or []
+    onChangeMonthYear?: (year: number, month: number, inst: any) => void;
+    onClose?: (dateText: string, inst: any) => void;
+    onSelect?: (dateText: string, inst: any) => void;
+    prevText?: string;
+    selectOtherMonths?: bool;
+    shortYearCutoff?: any; // number or string
+    showAnim?: string;
+    showButtonPanel?: bool;
+    showCurrentAtPos?: number;
+    showMonthAfterYear?: bool;
+    showOn?: string;
+    showOptions?: any; // TODO
+    showOtherMonths?: bool;
+    showWeek?: bool;
+    stepMonths?: number;
+    weekHeader?: string;
+    yearRange?: string;
+    yearSuffix?: string;
+
+    // Methods
+    destroy();
+    dialog(date: any, onSelect?: (), settings?: any, pos?: any);
+    getDate(): Date;
+    hide(): void;
+    isDisabled(): bool;
+    refresh(): void;
+    setDate(date: Date): void;
+    show();
+
+    // Events
+}
+
+
+// Dialog //////////////////////////////////////////////////
+
+interface Dialog {
+
+    // Options
+    autoOpen?: bool;
+    buttons?: any; // object or []
+    closeOnEscape?: bool;
+    closeText?: string;
+    dialogClass?: string;
+    disabled?: bool;
+    draggable?: bool;
+    height?: any; // number or string
+    maxHeight?: number;
+    maxWidth?: number;
+    minHeight?: number;
+    minWidth?: number;
+    modal?: bool;
+    position?: any; // object, string or []
+    resizable?: bool;
+    show?: any; // number, string or object
+    stack?: bool;
+    title?: string;
+    width?: number;
+    zIndex?: number;
+
+    // Methods
+    close(): void;
+    destroy(): void;
+    disable(): void;
+    enable(): void;
+    isOpen(): bool;
+    moveToTop(): void;
+    open(): void;
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    widget(): JQuery;
+
+    // Events
+    beforeClose(event: Event, ui): void;
+    close(event: Event, ui): void;
+    create(event: Event, ui): void;
+    drag(event: Event, ui): void;
+    dragStart(event: Event, ui): void;
+    dragStop(event: Event, ui): void;
+    focus(event: Event, ui): void;
+    open(event: Event, ui): void;
+    resize(event: Event, ui): void;
+    resizeStart(event: Event, ui): void;
+    resizeStop(event: Event, ui): void;
+}
+
+
+// Draggable //////////////////////////////////////////////////
 
 interface DraggableEventUIParam {
     helper: JQuery;
-    position: { top: number; left: number;};
-    offset: { top: number; left: number;};
+    position: { top: number; left: number; };
+    offset: { top: number; left: number; };
 }
 
 interface DraggableEvent {
@@ -13,6 +258,7 @@ interface DraggableEvent {
 }
 
 interface Draggable {
+
     // Options
     disabled?: bool;
     addClasses?: bool;
@@ -42,18 +288,22 @@ interface Draggable {
     snapTolerance?: number;
     stack?: string;
     zIndex?: number;
+
     // Events
     create?: DraggableEvent;
     start?: DraggableEvent;
-    drag?:  DraggableEvent;
-    stop?:  DraggableEvent;
+    drag?: DraggableEvent;
+    stop?: DraggableEvent;
 }
 
+
+// Droppable //////////////////////////////////////////////////
+
 interface DroppableEventUIParam {
     draggable: JQuery;
     helper: JQuery;
-    position: { top: number; left: number;};
-    offset: { top: number; left: number;};
+    position: { top: number; left: number; };
+    offset: { top: number; left: number; };
 }
 
 interface DroppableEvent {
@@ -61,6 +311,7 @@ interface DroppableEvent {
 }
 
 interface Droppable {
+
     // Options
     disabled?: bool;
     accept?: any;
@@ -69,6 +320,7 @@ interface Droppable {
     hoverClass?: string;
     scope?: string;
     tolerance?: string;
+
     // Events
     create?: DroppableEvent;
     activate?: DroppableEvent;
@@ -101,6 +353,190 @@ interface JQueryDatePicker {
     setDefaults(JQueryDatePickerDefaults);
 }
 
+
+// Menu //////////////////////////////////////////////////
+
+interface Menu {
+
+    // Options
+    disabled?: bool;
+    icons?: any;
+    menus?: string;
+    position?: any; // TODO
+    role?: string;
+
+    // Methods    
+    blur(event?: Event): void;
+    collapse(event?: Event): void;
+    blurAll(event?: Event, all?: bool): void;
+    destroy();
+    disable();
+    enable();
+    expand(event?: Event): void;
+    focus(event?: Event, item?: JQuery): void;
+    isFirstItem(): bool;
+    isLastItem(): bool;
+    next(event?: Event): void;
+    nextPage(event?: Event): void;
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    previous(event?: Event): void;
+    previousPage(event?: Event): void;
+    refresh(): void;
+    select(event?: Event): void;
+    widget(): JQuery;
+
+    // Events
+    blur(event: Event, ui): void;
+    create(event: Event, ui): void;
+    focus(event: Event, ui): void;
+    select(event: Event, ui): void;    
+}
+
+
+// Progressbar //////////////////////////////////////////////////
+
+interface Progressbar {
+
+    // Options
+    disabled?: bool;
+    value?: number;
+
+    // Methods    
+    destroy();
+    disable();
+    enable();    
+    option(optionName: string): any;
+    option(): any;
+    option(optionName: string, value: any): void;
+    option(options: any): void;
+    value(): number;
+    value(newValue: number): void;
+    widget(): JQuery;
+
+    // Events
+    change(event: Event, ui): void;
+    complete(event: Event, ui): void;
+    create(event: Event, ui): void;
+}
+
+
+// Slider //////////////////////////////////////////////////
+
+interface Slider extends Widget {
+
+    // Options
+    animate?: any; // bool, string or number
+    disabled?: bool; 
+    max?: number;
+    min?: number;
+    orientation?: string;
+    range?: any; // bool or string
+    step?: number;
+    value?: number;
+    values?: number[];
+
+    // Methods    
+    value(): number;
+    value(newValue: number): void;
+    values(): number[];
+    values(index: number): number;
+    values(index: number, newValue: number): void;
+    values(newValues: numbers[]): void;
+
+    // Events
+    change(event: Event, ui): void;
+    create(event: Event, ui): void;   
+    slide(event: Event, ui): void;   
+    start(event: Event, ui): void;
+    stop(event: Event, ui): void;
+}
+
+
+// Spinner //////////////////////////////////////////////////
+
+interface Spinner {
+
+    // Options
+    culture?: string;
+    disabled?: bool;
+    icons?: any;
+    incremental?: any; // bool or ()
+    max?: any; // number or string
+    min?: any; // number or string
+    numberFormat?: string;
+    page?: number;
+    step?: any; // number or string
+
+    // Methods    
+    pageDown(pages?: number): void;
+    pageUp(pages?: number): void;
+    stepDown(steps?: number): void;
+    stepUp(steps?: number): void;
+    value(): number;
+    value(newValue: number): void;
+
+    // Events
+    spin(event: Event, ui): void;
+    start(event: Event, ui): void;
+    stop(event: Event, ui): void;
+}
+
+
+// Tabs //////////////////////////////////////////////////
+
+interface Tabs {
+
+    // Options
+    active?: any; // bool or number
+    collapsible?: bool;
+    disabled?: any; // bool or []
+    event?: string;
+    heightStyle?: string;
+    hide?: any; // bool, number, string or object
+    show?: any; // bool, number, string or object
+
+    // Methods    
+    disable(index: any): void;
+    enable(index: any): void;
+    load(index: any): void;
+
+    // Events
+    activate(event: Event, ui): void;
+    beforeActivate(event: Event, ui): void;
+    beforeLoad(event: Event, ui): void;
+    load(event: Event, ui): void;
+}
+
+
+// Tooltip //////////////////////////////////////////////////
+
+interface Tooltip {
+
+    // Options
+    content?: any; // () or string
+    disabled?: bool;
+    hide?: any; // bool, number, string or object
+    items?: any; // TODO Selector
+    position?: any; // TODO
+    show?: any; // bool, number, string or object
+    tooltipClass?: string;
+    track?: bool;
+
+    // Methods    
+    close(event?: Event): void;
+    open(event?: Event): void;
+
+    // Events
+    close(event: Event, ui): void;
+    open(event: Event, ui): void;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
 interface JQuery {
     draggable(options: Draggable): JQuery;
     draggable(optionLiteral: string, options: Draggable): JQuery;