var delays=8000 //set delay in miliseconds
var cindex=0

var randomimage=new Array()

	randomimage[0]="/images/cctv-1.jpg"
	randomimage[1]="/images/cctv-2.jpg"
	randomimage[2]="/images/cctv-3.jpg"
	randomimage[3]="/images/cctv-4.jpg"


var preloads=new Array()

for (n=0;n<randomimage.length;n++)
{
	preloads[n]=new Image()
	preloads[n].src=randomimage[n]
}

document.write('<A HREF="/en/CCTV/DSR.html"><img BORDER=0 name="defaultimages" src="'+randomimage[Math.floor(Math.random()*(randomimage.length))]+'"></A>')

function rotateimages()
{

if (cindex==(tempindex=Math.floor(Math.random()*(randomimage.length)))){
cindex=cindex==0? 1 : cindex-1
}
else
cindex=tempindex

	document.images.defaultimages.src=randomimage[cindex]
}

setInterval("rotateimages()",delays)