GADGETS
 ================================================================
 Made current upon being clicked upon or by being chosen with the 
  INFO  command. These vars are valid for all types of gadgets.

 GAD.L       gadget left edge (from the outer edge of the window)
 GAD.T       gadget top edge     ''
 GAD.IL      gadget left edge (from the inner edge of the window)
 GAD.IT      gadget top edge     ''
 GAD.W       gadget width
 GAD.H       gadget height

 GAD.GUI     gui file name gadget resides in
 GAD.TYPE    type of gadget (i.e. XBUTTON, XLISTVIEW etc)
 GAD.ID      gadget's ID

 GAD.VAR     the name of the variable the gadget will store it's 
             value in.

 GAD.VALUE   gadget's value (varies - same value as you would
             give with the update command)