currentSlide = 0;
slides = [];
function drawSlide() {
	slides[currentSlide].style.display = "none";
	currentSlide = (currentSlide + 1) % slides.length;
	slides[currentSlide].style.display = "inline";
}
function initSlideshow() {
	var slideshow = document.getElementById("slideshow");
	if(!slideshow) return;
	rows = slideshow.getElementsByTagName("tr");
	for(var i = 0; i < rows.length; i++) {
		var td = rows[i].getElementsByTagName("td")[0];
		slides[slides.length] = td;
		td.style.display = "none";
	}
	slides[0].style.display = "inline";
	setInterval('drawSlide()', 6000);
}
//window.onload = initSlideshow;
addListener({ onload:initSlideshow });