// preload thumb images used in swapping

thumb1 = new Image();
thumb1.src = rootPath + "newMachines/niigata/images/enlargements/MPN80.jpg"

thumb2 = new Image();
thumb2.src = rootPath + "newMachines/niigata/images/enlargements/MPN80_patented.jpg"

thumb3 = new Image();
thumb3.src = rootPath + "newMachines/niigata/images/enlargements/MPN80_precision.jpg"

thumb4 = new Image();
thumb4.src = rootPath + "newMachines/niigata/images/enlargements/MPN80_revolution.jpg"

thumb5 = new Image();
thumb5.src = rootPath + "newMachines/niigata/images/enlargements/MPN80_spindle.jpg"