currentslide=1;
maxslides=12;
slide = new Array(maxslides+1);
speed=4000;
ssTimerID = null;
function preloadSlideshow() {
	if (document.images) {
		for (var n=1;n<=maxslides;n++) {
			slide[n]=new Image(200,200);
			slide[n].src='images/hdr/hdr'+n+'.jpg';
		} 
	}
}
function playSlideShow() {
	window.clearTimeout(ssTimerID);
	if (currentslide>maxslides) {
		currentslide=1;
	}
//	document.images['slide'].src=slide[currentslide].src;
	document.getElementById('slides').style.backgroundImage='url('+slide[currentslide].src+')';
	currentslide++;
	ssTimerID = setTimeout("playSlideShow()",speed);
}