var delay = 1000;
var start_frame = 0;
var start_frame_rongeurs = 0;
var start_frame_poissons = 0;
var start_frame_chiens = 0;

function init() {
	var lis = $('slide-images').getElementsByTagName('li');
	var lis_rongeurs = $('slide-images-rongeurs').getElementsByTagName('li');
	var lis_poissons = $('slide-images-poissons').getElementsByTagName('li');
	var lis_chiens = $('slide-images-chiens').getElementsByTagName('li');
	
	for( i=0; i < lis.length; i++){
		if(i!=0){
			lis[i].style.display = 'none';
		}
	}
	
	for( i=0; i < lis_rongeurs.length; i++){
		if(i!=0){
			lis_rongeurs[i].style.display = 'none';
		}
	}
	
	for( i=0; i < lis_poissons.length; i++){
		if(i!=0){
			lis_poissons[i].style.display = 'none';
		}
	}
	
	for( i=0; i < lis_chiens.length; i++){
		if(i!=0){
			lis_chiens[i].style.display = 'none';
		}
	}
	
	end_frame = lis.length -1;
	end_frame_rongeurs = lis_rongeurs.length -1;
	end_frame_poissons = lis_poissons.length -1;
	end_frame_chiens = lis_chiens.length -1;
	
	start_slideshow(start_frame, end_frame, delay, lis);
	start_slideshow_rongeurs(start_frame_rongeurs, end_frame_rongeurs, delay, lis_rongeurs);
	start_slideshow_poissons(start_frame_poissons, end_frame_poissons, delay, lis_poissons);
	start_slideshow_chiens(start_frame_chiens, end_frame_chiens, delay, lis_chiens);
	
	
}



function start_slideshow(start_frame, end_frame, delay, lis) {
	setTimeout(fadeInOut(start_frame,start_frame,end_frame, delay, lis), delay);
}

function start_slideshow_rongeurs(start_frame_rongeurs, end_frame_rongeurs, delay, lis_rongeurs) {
	setTimeout(fadeInOut_rongeurs(start_frame_rongeurs,start_frame_rongeurs,end_frame_rongeurs, delay, lis_rongeurs), delay);
}

function start_slideshow_poissons(start_frame_poissons, end_frame_poissons, delay, lis_poissons) {
	setTimeout(fadeInOut_poissons(start_frame_poissons,start_frame_poissons,end_frame_poissons, delay, lis_poissons), delay);
}

function start_slideshow_chiens(start_frame_chiens, end_frame_chiens, delay, lis_chiens) {
	setTimeout(fadeInOut_chiens(start_frame_chiens,start_frame_chiens,end_frame_chiens, delay, lis_chiens), delay);
}


function fadeInOut(frame, start_frame, end_frame, delay, lis) {
	return (function() {
		lis = $('slide-images').getElementsByTagName('li');
		Effect.Fade(lis[frame]);
		if (frame == end_frame) { frame = start_frame; } else { frame++; }
		lisAppear = lis[frame];
		setTimeout("Effect.Appear(lisAppear);", 0);
		setTimeout(fadeInOut(frame, start_frame, end_frame, delay), delay + 1850);
	})
	
}

function fadeInOut_rongeurs(frame_rongeurs, start_frame_rongeurs, end_frame_rongeurs, delay, lis_rongeurs) {
	return (function() {
		lis_rongeurs = $('slide-images-rongeurs').getElementsByTagName('li');
		Effect.Fade(lis_rongeurs[frame_rongeurs]);
		if (frame_rongeurs == end_frame_rongeurs) { frame_rongeurs = start_frame_rongeurs; } else { frame_rongeurs++; }
		lisAppear_rongeurs = lis_rongeurs[frame_rongeurs];
		setTimeout("Effect.Appear(lisAppear_rongeurs);", 0);
		setTimeout(fadeInOut_rongeurs(frame_rongeurs, start_frame_rongeurs, end_frame_rongeurs, delay), delay + 1850);
	})
	
}


function fadeInOut_poissons(frame_poissons, start_frame_poissons, end_frame_poissons, delay, lis_poissons) {
	return (function() {
		lis_poissons = $('slide-images-poissons').getElementsByTagName('li');
		Effect.Fade(lis_poissons[frame_poissons]);
		if (frame_poissons == end_frame_poissons) { frame_poissons = start_frame_poissons; } else { frame_poissons++; }
		lisAppear_poissons = lis_poissons[frame_poissons];
		setTimeout("Effect.Appear(lisAppear_poissons);", 0);
		setTimeout(fadeInOut_poissons(frame_poissons, start_frame_poissons, end_frame_poissons, delay), delay + 1850);
	})
	
}

function fadeInOut_chiens(frame_chiens, start_frame_chiens, end_frame_chiens, delay, lis_chiens) {
	return (function() {
		lis_chiens = $('slide-images-chiens').getElementsByTagName('li');
		Effect.Fade(lis_chiens[frame_chiens]);
		if (frame_chiens == end_frame_chiens) { frame_chiens = start_frame_chiens; } else { frame_chiens++; }
		lisAppear_chiens = lis_chiens[frame_chiens];
		setTimeout("Effect.Appear(lisAppear_chiens);", 0);
		setTimeout(fadeInOut_chiens(frame_chiens, start_frame_chiens, end_frame_chiens, delay), delay + 1850);
	})
	
}

Event.observe(window, 'load', init, false);