// JavaScript Document
<!-- Hide from old browsers

var imagenumber = 5 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "zimages/maintain_pic_1.jpg"
images[2] = "zimages/maintain_pic_2.jpg"
images[3] = "zimages/maintain_pic_3.jpg"
images[4] = "zimages/maintain_pic_4.jpg"
images[5] = "zimages/maintain_pic_5.jpg"
var image = images[rand1]
// -- End Hiding Here -->