function getCookieVal(offset) {
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1)
      		endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {
	var arg=name+"=";
	var alen=arg.length;
	var clen=document.cookie.length;
	var i=0;
	while (i<clen) {
		var j=i+alen;
		if (document.cookie.substring(i, j)==arg)
                        return getCookieVal (j);
                i=document.cookie.indexOf(" ",i)+1;
                        if (i==0) break;}
	return null;
}
function SetCookie (name, value) {
// un cookie a besoin d'un nom, d'une valeur, d'un nom de domaine, d'une date d'expiration
// 
	var argv=SetCookie.arguments;
	var argc=SetCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=name+"="+escape(value)+
		((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
		((path==null) ? "" : ("; path="+path))+
		((domain==null) ? "" : ("; domain="+domain))+
		((secure==true) ? "; secure" : "");
}

var pathname=location.pathname;
var myDomain=pathname.substring(0,pathname.lastIndexOf('/')) +'/';
var date_exp = new Date();
date_exp.setTime(date_exp.getTime()+(24*3600*1000));

function returnDay(){
  var d = new Date();
  var a = d.getYear();
  if (a < 1970){
    a = 1900 + a;
  }
  var m = d.getMonth() + 1;
  var j = d.getDate();
  var comp = a + "-" + m + "-" + j;
//  alert(comp);
  return comp;
}

function setInfos(){
  var nom = "_last_access";
  var valeur = returnDay();
  SetCookie(nom,valeur,date_exp,myDomain);
}

function getInfos(){
  var nom = "_last_access";
  var valeur = GetCookie(nom);
  var compare = returnDay();
  if (compare != valeur){
//    alert("local:" + valeur + " - calculé" + compare)
//    lance_annonce();
    setInfos();
  }
}