NAME: Ellipse

     USE: Procedure to draw an elliptical arc using the current
          line style and color.  Ellipse is passed several values:

              (X,Y)      = Center point
              StartAngle = Begining angle
              EndAngle   = Ending angle
              XRadius,
              YRadius   = Horizontal and vertical axes.

     DEPENDENCY:  Must first be in graphics mode.  The unit Graph
                  must also be placed in the uses section.

     SYNTAX: Ellipse(X, Y, StartAngle, EndAngle, XRadius, YRadius);
             Ellipse(Integer, Integer, Word, Word, Word, Word);