var msDelay = 2500;
var numSlides = 72;
var imgSlides = new Array("imgSlide1", "imgSlide2", "imgSlide3");
var nSlide2Update = 0;

function NextSlide()
{
	var nextSlide = "slides/pix".concat(String(Math.floor(Math.random()*(numSlides-1))+1),".jpg");
    //document.images["imgSlide"].src = nextSlide;
    document.images[imgSlides[nSlide2Update]].src = nextSlide;

	if (++nSlide2Update == imgSlides.length)
		nSlide2Update = 0;
		
    setTimeout("NextSlide()", msDelay);
}

function DelaySlide(numberSlides, delay)
{
	numSlides = numberSlides;
	msDelay = delay;
	
    setTimeout("NextSlide()", delay);
}