var photo = new Array()
photo[0] = 'centrepics/centrepic1.jpg'
photo[1] = 'centrepics/centrepic2.jpg'
photo[2] = 'centrepics/centrepic3.jpg'
photo[3] = 'centrepics/centrepic4.jpg'
photo[4] = 'centrepics/centrepic5.jpg'
photo[5] = 'centrepics/centrepic6.jpg'
photo[6] = 'centrepics/centrepic7.jpg'
photo[7] = 'centrepics/centrepic8.jpg'
var pretot = 0
var spdd  // swop photo display delay
var preload = new Array()
for (total = 0; total < photo.length; total++)  {
	preload[total] = new Image()
	preload[total].src = photo[total]
}
function photodisplay()  {
	document.images.swopphoto.src = preload[pretot].src
	pretot = pretot + 1
	if (pretot > (photo.length -1)) pretot = 0
	sppd = setTimeout('photodisplay()', 3000)
}