var speed = 10500
var Pic = new Array() // don't touch this

Pic[0] = '_image/motor1.jpg'
Pic[1] = '_image/motor2.jpg'
Pic[2] = '_image/motor3.jpg'
Pic[3] = '_image/motor4.jpg'

var t
var j = 0
var p = Pic.length

var preLoad = new Array()
for (i = 0; i < p; i++){
   preLoad[i] = new Image()
   preLoad[i].src = Pic[i]
}

function runSlideShow(){
   document.images.SlideShow.src = preLoad[j].src
   j = j + 1
   if (j > (p-1)) j=0
   t = setTimeout('runSlideShow()', speed)
}