function slideshow(wrapperId, slideNum){
	var wrapper = document.getElementById(wrapperId);
	
	if(!wrapper)
		return;
	
	
	
	
	var slides = wrapper.getElementsByTagName('div');
	for(var i=0;i<slides.length;i++){
		var slide = slides[i];
		if(i==slideNum)
			slide.style.display = "block";
		else
			slide.style.display = "none";
	}
	
	if(slideNum==(slides.length-1))
		nextSlideNum = 0;
	else
		nextSlideNum = slideNum+1;
	//alert(slides.length+" "+slideNum+" "+nextSlideNum);
	setTimeout("slideshow('"+wrapperId+"', "+nextSlideNum+")", 5000);
}