var headerSlideshowPath = root + "gfx/slideshow/";
var headerSlideshowImage = headerSlideshowPath + "00.jpg";
var headerSlideshowMax = 48;
var headerSlideshowInterval = 5000;
var headerSlideshowCurrent = Math.ceil(Math.random() * headerSlideshowMax);

function headerSlideshow() {
headerSlideshowCurrent = headerSlideshowCurrent + 1;
if(headerSlideshowCurrent > headerSlideshowMax)
headerSlideshowCurrent = 1;
if(headerSlideshowCurrent < 10)
headerSlideshowImage = headerSlideshowPath + "0" + headerSlideshowCurrent + ".jpg";
else
headerSlideshowImage = headerSlideshowPath + headerSlideshowCurrent + ".jpg";
document.images["headerSlideshowPic"].src = headerSlideshowImage;
}