This is probably easier if you need to create several new window links. Select the JavaScript radio button. Click OK to close the form. Create your Link as normally would. Separate each option with a comma when using multiple options.
Directories creates the standard browser directory buttons.
Status creates the status bar at the bottom of the window. Menubar creates the standard browser menu at the top of the window. Resizable allows a user to resize the window. Width specifies the width of the window in pixels. FullScreen specifies the wheter or not the new window is opened full screen.