(PHP3 >= 3.0.6, PHP4 )
ImageColorDeAllocate -- 
     De-allocate a color for an image
    
Description
int 
       imagecolordeallocate
       (int 
       im, int 
       index)
     The ImageColorDeAllocate() function
     de-allocates a color previously allocated with the
     ImageColorAllocate() function.