var bgslides=new Array()

bgslides[0]="images/bua_bg_1.jpg"
bgslides[1]="images/bua_bg_2.jpg"
bgslides[2]="images/bua_bg_3.jpg"
bgslides[3]="images/bua_bg_4.jpg"
bgslides[4]="images/bua_bg_5.jpg"

var speed=10000
var processed=new Array()
for (i=0;i<bgslides.length;i++){
processed[i]=new Image()
processed[i].src=bgslides[i]
}

var inc=-1

function slideback(){
if (inc<bgslides.length-1)
inc++
else
inc=0
document.body.background=processed[inc].src
}

if (document.all||document.getElementById)
window.onload=new Function('setInterval("slideback()",speed)')