Updates the state of commands of the current chrome window (UI).
The -moz-window-shadow CSS property specifies whether a window will have a shadow. It only works on Mac OS X.
HTML Drag and Drop interfaces enable applications to use drag and drop features in Firefox and other browsers. For example, with these features, the user can select draggable elements with a mouse, drag the elements to a droppable element, and drop those elements by releasing the mouse button. A translucent representation of the draggable elements follows the mouse pointer during the drag operation.