var imagenumber = 9 ; 
var randomnumber = Math.random() ; 
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ; 
images = new Array 
images[1] = "images/Saphir_PCIe_2xS2M.jpg"
images[2] = "images/Saphir_PCIe_S2M.jpg"
images[3] = "images/Saphir_PCIe_4xS0.jpg"
images[4] = "images/Saphir_PCIe_2xSO.jpg"
images[5] = "images/Saphir_PCI_S2M.jpg"
images[6] = "images/Saphir_PCI_8xS0.jpg"
images[7] = "images/Saphir_III_PCI_4xS0.jpg"
images[8] = "images/Saphir_PCI_2xS0_Low-Profil2.jpg"
images[9] = "images/Saphir_PCI_2xS0.jpg"
var image = images[rand1]