// preload thumb images used in swapping

thumb1 = new Image();
thumb1.src = rootPath + "newMachines/mte/images/enlargements/BF3200.jpg"

thumb2 = new Image();
thumb2.src = rootPath + "newMachines/mte/images/enlargements/BF3200_highspeed.jpg"

thumb3 = new Image();
thumb3.src = rootPath + "newMachines/mte/images/enlargements/BF3200_magazine.jpg"