for (z=0; z < 5; z = z+1)
  {
    r = rArray[z];
    g = gArray[z];
    b = bArray[z];
    for (int i=0; i<100; i++)
    {
      myGLCD.setColor(r,g,b);
      myGLCD.drawPixel(random(128), random(128));
    }
  }