 Usage:  freecolor({option})   
 
 Input:

  option                 a string "user" to free the colors allocated by user with createcolor or "color" to try to free the system color (only by TrueColor-Monitor). By the freecolor() without option the both color classes will be deallocated. 
                         
                         
--------------------------------------------------------------
(C) MD*TECH Method and Data Technologies, 17.8.2000
