diff --git a/Definitions/jqueryui.d.ts b/Definitions/jqueryui.d.ts
index ffb7ccdc4..1f578fa04 100644
--- a/Definitions/jqueryui.d.ts
+++ b/Definitions/jqueryui.d.ts
@@ -1,92 +1,122 @@
-/// <reference path="jquery.d.ts"/>
-
-// Partial typing for the jQueryUI library, version 1.8.x
-
-interface DraggableEventUIParam {
-    helper: JQuery;
-    position: { top: number; left: number;};
-    offset: { top: number; left: number;};
-}
-
-interface DraggableEvent {
-    (event: Event, ui: DraggableEventUIParam): void;
-}
-
-interface Draggable {
-    // Options
-    disabled?: bool;
-    addClasses?: bool;
-    appendTo?: any;
-    axis?: string;
-    cancel?: string;
-    connectToSortable?: string;
-    containment?: any;
-    cursor?: string;
-    cursorAt?: any;
-    delay?: number;
-    distance?: number;
-    grid?: number[];
-    handle?: any;
-    helper?: any;
-    iframeFix?: any;
-    opacity?: number;
-    refreshPositions?: bool;
-    revert?: any;
-    revertDuration?: number;
-    scope?: string;
-    scroll?: bool;
-    scrollSensitivity?: number;
-    scrollSpeed?: number;
-    snap?: any;
-    snapMode?: string;
-    snapTolerance?: number;
-    stack?: string;
-    zIndex?: number;
-    // Events
-    create?: DraggableEvent;
-    start?: DraggableEvent;
-    drag?:  DraggableEvent;
-    stop?:  DraggableEvent;
-}
-
-interface DroppableEventUIParam {
-    draggable: JQuery;
-    helper: JQuery;
-    position: { top: number; left: number;};
-    offset: { top: number; left: number;};
-}
-
-interface DroppableEvent {
-    (event: Event, ui: DroppableEventUIParam): void;
-}
-
-interface Droppable {
-    // Options
-    disabled?: bool;
-    accept?: any;
-    activeClass?: string;
-    greedy?: bool;
-    hoverClass?: string;
-    scope?: string;
-    tolerance?: string;
-    // Events
-    create?: DroppableEvent;
-    activate?: DroppableEvent;
-    deactivate?: DroppableEvent;
-    over?: DroppableEvent;
-    out?: DroppableEvent;
-    drop?: DroppableEvent;
-}
-
-interface JQuery {
-    draggable(options: Draggable): JQuery;
-    draggable(optionLiteral: string, options: Draggable): JQuery;
-    draggable(optionLiteral: string, optionName: string, optionValue: any): JQuery;
-    draggable(optionLiteral: string, optionName: string): any;
-    // draggable(methodName: string): any;
-    droppable(options: Droppable): JQuery;
-    droppable(optionLiteral: string, options: Draggable): JQuery;
-    droppable(optionLiteral: string, optionName: string, optionValue: any): JQuery;
-    droppable(optionLiteral: string, optionName: string): any;
-    droppable(methodName: string): any;
-}
+/// <reference path="jquery.d.ts"/>
+
+// Partial typing for the jQueryUI library, version 1.8.x
+
+interface DraggableEventUIParam {
+    helper: JQuery;
+    position: { top: number; left: number;};
+    offset: { top: number; left: number;};
+}
+
+interface DraggableEvent {
+    (event: Event, ui: DraggableEventUIParam): void;
+}
+
+interface Draggable {
+    // Options
+    disabled?: bool;
+    addClasses?: bool;
+    appendTo?: any;
+    axis?: string;
+    cancel?: string;
+    connectToSortable?: string;
+    containment?: any;
+    cursor?: string;
+    cursorAt?: any;
+    delay?: number;
+    distance?: number;
+    grid?: number[];
+    handle?: any;
+    helper?: any;
+    iframeFix?: any;
+    opacity?: number;
+    refreshPositions?: bool;
+    revert?: any;
+    revertDuration?: number;
+    scope?: string;
+    scroll?: bool;
+    scrollSensitivity?: number;
+    scrollSpeed?: number;
+    snap?: any;
+    snapMode?: string;
+    snapTolerance?: number;
+    stack?: string;
+    zIndex?: number;
+    // Events
+    create?: DraggableEvent;
+    start?: DraggableEvent;
+    drag?:  DraggableEvent;
+    stop?:  DraggableEvent;
+}
+
+interface DroppableEventUIParam {
+    draggable: JQuery;
+    helper: JQuery;
+    position: { top: number; left: number;};
+    offset: { top: number; left: number;};
+}
+
+interface DroppableEvent {
+    (event: Event, ui: DroppableEventUIParam): void;
+}
+
+interface Droppable {
+    // Options
+    disabled?: bool;
+    accept?: any;
+    activeClass?: string;
+    greedy?: bool;
+    hoverClass?: string;
+    scope?: string;
+    tolerance?: string;
+    // Events
+    create?: DroppableEvent;
+    activate?: DroppableEvent;
+    deactivate?: DroppableEvent;
+    over?: DroppableEvent;
+    out?: DroppableEvent;
+    drop?: DroppableEvent;
+}
+
+interface JQueryDatePickerDefaults {
+    closeText: string;
+    prevText: string;
+    nextText: string;
+    currentText: string;
+    monthNames: string[];
+    monthNamesShort: string[];
+    dayNames: string[];
+    dayNamesShort: string[];
+    dayNamesMin: string[];
+    weekHeader: string;
+    dateFormat: string;
+    firstDay: number;
+    isRTL: bool;
+    showMonthAfterYear: bool;
+    yearSuffix: string;
+}
+
+interface JQueryDatePicker {
+    regional: any;
+    setDefaults(JQueryDatePickerDefaults);
+}
+
+interface JQuery {
+    draggable(options: Draggable): JQuery;
+    draggable(optionLiteral: string, options: Draggable): JQuery;
+    draggable(optionLiteral: string, optionName: string, optionValue: any): JQuery;
+    draggable(optionLiteral: string, optionName: string): any;
+    // draggable(methodName: string): any;
+    droppable(options: Droppable): JQuery;
+    droppable(optionLiteral: string, options: Draggable): JQuery;
+    droppable(optionLiteral: string, optionName: string, optionValue: any): JQuery;
+    droppable(optionLiteral: string, optionName: string): any;
+    droppable(methodName: string): any;
+
+    autocomplete(any): void;
+    datepicker(any): void;
+}
+
+interface JQueryStatic {
+    datepicker: JQueryDatePicker;
+}
diff --git a/Definitions/knockout.d.ts b/Definitions/knockout.d.ts
index 60b88f4c6..a8d4ee37f 100644
--- a/Definitions/knockout.d.ts
+++ b/Definitions/knockout.d.ts
@@ -1,46 +1,126 @@
-// Type definitions for Knockout 2.1.0
-// https://github.com/borisyankov/DefinitelyTyped
-
-interface KnockoutStatic {
-
-    applyBindings(viewModel, rootNode);
-    computed();
-}
-
-interface KnockoutUtilsStatic {
-    arrayForEach(array, action);
-    arrayIndexOf(array, item);
-    arrayFirst(array, predicate, predicateOwner);
-    arrayRemoveItem(array, itemToRemove);
-    arrayGetDistinctValues(array);
-    arrayMap(array, mapping);
-    arrayFilter(array, predicate);
-    arrayPushAll(array, valuesToPush);
-    extend(target, source);
-    emptyDomNode(domNode);
-    moveCleanedNodesToContainerElement(nodes);
-    setDomNodeChildren(domNode, childNodes);
-    replaceDomNodes(nodeToReplaceOrNodeArray, newNodesArray);
-    setOptionNodeSelectionState(optionNode, isSelected);
-    stringTrim(str: string);
-    stringTokenize(str: string, delimiter);
-    stringStartsWith(str: string, startsWith);
-    buildEvalWithinScopeFunction(expression, scopeLevels);
-    domNodeIsContainedBy(node, containedByNode);
-    domNodeIsAttachedToDocument(node);
-    tagNameLower(element);
-    registerEventHandler(element, eventType, handler);
-    triggerEvent(element, eventType);
-    unwrapObservable(value);
-    toggleDomNodeCssClass(node, className, shouldHaveClass);
-    setTextContent(element, textContent);
-    ensureSelectElementIsRenderedCorrectly(selectElement);
-    range(min, max);
-    makeArray(arrayLikeObject);
-    getFormFields(form, fieldName);
-    parseJson(jsonString);
-    stringifyJson(data, replacer, space);
-    postJson(urlOrForm, data, options);
-}
-
+// Type definitions for Knockout 2.1.0
+// https://github.com/borisyankov/DefinitelyTyped
+
+interface KnockoutObservableArrayFunctions {
+    // General Array functions
+    indexOf(searchElement, fromIndex?: number): number;
+    slice(start: number, end?: number): any[];
+    splice(start: number): any[];
+    splice(start: number, deleteCount: number, ...items: any[]): any[];
+    pop();
+    push(...items: any[]): void;
+    shift();
+    unshift(...items: any[]): number;
+    reverse(): any[];
+    sort(): void;
+    sort(compareFunction): void;
+
+    // Ko specific
+    remove(item): any[];
+    removeAll(items: any[]): any[];
+    removeAll(): any[];
+
+    destroy(item): void;
+    destroyAll(items: any[]): void;
+    destroyAll(): void;
+}
+
+interface KnockoutObservableArray extends KnockoutObservableArrayFunctions {
+    (): any[];
+    (value: any[]): void;
+}
+
+interface KnockoutObservableArrayStatic {
+    (): KnockoutObservableArray;
+    fn: KnockoutObservableArrayFunctions;
+}
+
+interface KnockoutObservable {
+    (): any;
+    (value): void;
+
+    subscribe(func: Function): void;
+}
+
+interface KnockoutComputed extends KnockoutObservable {
+}
+
+interface KnockoutComputedDefine {
+    read(): any;
+    write(any);
+}
+
+interface KnockoutComputedStatic {
+    (): KnockoutComputed;
+    (func: Function): KnockoutComputed;
+    (def: KnockoutComputedDefine) : KnockoutComputed;
+}
+
+interface KnockoutBindingContext {
+    $parent: any;
+    $parents: any[];
+    $root: any;
+    $data: any;
+    $index?: number;
+    $parentContext?: KnockoutBindingContext;
+}
+
+interface KnockoutBindingHandler {
+    // TODO: Work out how to define bindingHandlers when not using all the args
+    // adding element?: any, etc doesnt work...
+    //init(element: any, valueAccessor: any, allBindingsAccessor: any, viewModel: any, bindingContext: KnockoutBindingContext) : void;
+    //update(element: any, valueAccessor: any, allBindingsAccessor: any, viewModel: any, bindingContext: KnockoutBindingContext) : void;
+    init: any;
+    update: any;
+}
+
+interface KnockoutBindingHandlers {
+    value: KnockoutBindingHandler;
+}
+
+interface KnockoutStatic {
+    utils: KnockoutUtilsStatic;
+    bindingHandlers: KnockoutBindingHandlers;
+    applyBindings(viewModel, rootNode?);
+    computed : KnockoutComputedStatic;
+    observableArray: KnockoutObservableArrayStatic;
+    observable(intial?): KnockoutObservable;
+}
+
+interface KnockoutUtilsStatic {
+    arrayForEach(array: any[], action);
+    arrayIndexOf(array: any[], item);
+    arrayFirst(array: any[], predicate, predicateOwner?);
+    arrayRemoveItem(array: any[], itemToRemove);
+    arrayGetDistinctValues(array: any[]);
+    arrayMap(array: any[], mapping);
+    arrayFilter(array: any[], predicate);
+    arrayPushAll(array: any[], valuesToPush);
+    extend(target, source);
+    emptyDomNode(domNode);
+    moveCleanedNodesToContainerElement(nodes);
+    setDomNodeChildren(domNode, childNodes);
+    replaceDomNodes(nodeToReplaceOrNodeArray, newNodesArray);
+    setOptionNodeSelectionState(optionNode, isSelected);
+    stringTrim(str: string);
+    stringTokenize(str: string, delimiter);
+    stringStartsWith(str: string, startsWith);
+    buildEvalWithinScopeFunction(expression, scopeLevels);
+    domNodeIsContainedBy(node, containedByNode);
+    domNodeIsAttachedToDocument(node);
+    tagNameLower(element);
+    registerEventHandler(element, eventType, handler);
+    triggerEvent(element, eventType);
+    unwrapObservable(value);
+    toggleDomNodeCssClass(node, className, shouldHaveClass);
+    setTextContent(element, textContent);
+    ensureSelectElementIsRenderedCorrectly(selectElement);
+    range(min, max);
+    makeArray(arrayLikeObject);
+    getFormFields(form, fieldName);
+    parseJson(jsonString);
+    stringifyJson(data, replacer, space);
+    postJson(urlOrForm, data, options);
+}
+
 declare var ko: KnockoutStatic;
\ No newline at end of file