var currentSlide = 0;

function nextSlide(maxSlides){
	var i = 0;
	while ( i < maxSlides )
	{
		slide = $("#slide_"+i);
		if(i == currentSlide){
			slide.fadeIn(2000);
		} else {
			slide.fadeOut(2000);
		}
	    i++;
	} 
	currentSlide++;
	if(currentSlide >= maxSlides) currentSlide = 0;
	setTimeout ( 'nextSlide('+maxSlides+')', 6000 ); 

}