function afficherPremiereImage() {
	document.getElementById("diapo").src = tabImages[0];
	//document.getElementById("diapo").width = tabWidth[0];
	//document.getElementById("diapo").height = tabHeight[0];
	document.getElementById("legende").innerHTML = tabLegende[0];
	indiceImage = 0;
}

function afficherImageAvant(nb_photos) {
	if (indiceImage > 0) {
		indiceImage--;
	}
	else
	{
		indiceImage = nb_photos - 1;
	}
	document.getElementById("diapo").src = tabImages[indiceImage];
	//document.getElementById("diapo").width = tabWidth[indiceImage];
	//document.getElementById("diapo").height = tabHeight[indiceImage];
	document.getElementById("legende").innerHTML = tabLegende[indiceImage];
}

function afficherImageApres(nb_photos) {
	if(indiceImage < nb_photos - 1) {
		indiceImage++;
	}
	else
	{
		indiceImage=0;
	}
	document.getElementById("diapo").src = tabImages[indiceImage];
	//document.getElementById("diapo").width = tabWidth[indiceImage];
	//document.getElementById("diapo").height = tabHeight[indiceImage];
	document.getElementById("legende").innerHTML = tabLegende[indiceImage];
}

function demarrerDiapo(nb_photos) {
	btn_p = document.getElementById("btn_precedente");
	btn_p.style.visibility='hidden';
	btn_s = document.getElementById("btn_suivante");
	btn_s.style.visibility='hidden';
	if(indiceImage < nb_photos - 1) {
		indiceImage++;
	}
	else
	{
		indiceImage=0;
	}
	document.getElementById("diapo").src = tabImages[indiceImage];
	//document.getElementById("diapo").width = tabWidth[indiceImage];
	//document.getElementById("diapo").height = tabHeight[indiceImage];
	document.getElementById("legende").innerHTML = tabLegende[indiceImage];
	nb_photos_ = nb_photos;
	timer_diapo = setTimeout("demarrerDiapo(nb_photos_,indiceImage)",2000);
}

function arreterDiapo() {
	btn_p = document.getElementById("btn_precedente");
	btn_p.style.visibility='visible';
	btn_s = document.getElementById("btn_suivante");
	btn_s.style.visibility='visible';
	clearTimeout(timer_diapo);
}

function afficheListe(nb) {
	for(i=0;i<nb;i++)
	{
		alert(tabImages[i]);
		alert(tabLegende[i]);
	}
}