function init() {
      montre_image(0);}
    


/*  Gestion de l'affichage des images */
function montre_image(i){
	var image = 'image'+i;
	document.getElementById(image).style.visibility = "visible";
	
}
function cache_image(i){
	var image = 'image'+i;
	document.getElementById(image).style.visibility = "hidden";
	}

/*  Gestion de l'affichage des bulles */
function montre_bulle(i){
	var infobulle = 'infobulle'+i;
	document.getElementById(infobulle).style.visibility = "visible";}
	
function cache_bulle(i){
	var infobulle = 'infobulle'+i;
	document.getElementById(infobulle).style.visibility = "hidden";}