// JavaScript Document
var pas=1;
var pos= 0;
var vit = 5;
var pause = 2000;
var incr = 0;
var hauteur = 102;
var page = 0;
var tem;
	
function move(){
	var obj = document.getElementById("Layer2");
	pos -= pas;
	
	obj.style.top = pos + 'px';
	incr++;
	
	if(page >= nb_page){
	page=0;
	pos=hauteur;
	} 
	
	if(incr >= hauteur) {
		stop_defil();
	} else {
		tem = setTimeout("move()", vit);
	}
}

function stop_defil(){
	incr=0;
	page++;
	clearTimeout(tem);
	if(nb_page>1){
		tem = setTimeout("move()", pause);
	}
}


function menu(etat, no){
	var obj2 = document.getElementById("im_" + no);
	if(etat == 1) {
		obj2.style.visibility="visible";
	} else {
		obj2.style.visibility="hidden";
	}
}