var CurrentSlideNo = 0;
var Slides;

function NextSlide() {
	var Slides = $("#Slideshow .Slide");
	var CurrentSlide = $(Slides[CurrentSlideNo]);
	var PrevSlide = $(Slides[CurrentSlideNo - 1]);
	CurrentSlideNo++;
	if (CurrentSlideNo > Slides.length) {
		CurrentSlideNo = -1;
	}
	var NewSlide = $(Slides[CurrentSlideNo]);
	if (CurrentSlide.length > 0) {
		CurrentSlide.slideUp(1000, "swing");
		NewSlide.show();
	} else {
		NewSlide.hide();
		NewSlide.slideDown(1000, "swing");
	}
	if (PrevSlide.length > 0) {
		PrevSlide.slideUp();
	}
}