nGetBackRGB( cColor ) -> <nBackRGB>
------------------------------------------------------------------------------


 PARAMETER:

  <cColor>       is a clipper color string


 RETURNS:

  <nBackRGB> is the numeric RBG value from the background part of the color
  string. 


 DESCRIPTION:

  This function lets you easily convert the background color ( 2nd value )
  of a clipper color string into a windows color number 


  EXAMPLE:


     +-------------------------------------------------------------+
     |  /* RGB(0, 0, 128 ) == blue  */                             |
     |  ? nGetBackRGB( "W+/B" ) --> 128                            |
     +-------------------------------------------------------------+


 SOURCE:

  SOURCE\FUNCTION\nColorToN.C