/* gestion de la publicité SHARED

*/

function INSIDE_SHARED_ADVERT(_nom) {
	this.objets = new Array();
	this.durees = new Array();
	this.osize = 0;
	this.position = 0;
	this.nom = _nom;
}


INSIDE_SHARED_ADVERT.prototype.initialise=function(_nom) {
	nom = _nom;
	objets = new Array();
	durees = new Array();	
	osize=0;
	position=0;	
}


	
INSIDE_SHARED_ADVERT.prototype.newAdvert=function(objet, duree) {			
	// ajoute un objet a faire tourner
	this.objets[this.osize] = objet;
	this.durees[this.osize] = duree;	
	this.osize = this.osize+1;
}
	
	
INSIDE_SHARED_ADVERT.prototype.run=function(intervalle) {
	// lance la process ŕ intervalle secondes
	// si on trouve une ancienne valeur on l'utilise pour faire des rotations equitables
	
	
	
	function lit_cook(nom) {
		var deb,fin;
		deb = document.cookie.indexOf(nom + "=");
		if (deb >= 0) {
		deb += nom.length + 1;
		fin = document.cookie.indexOf(";",deb);
    if (fin < 0) fin = document.cookie.length;
    	return unescape(document.cookie.substring(deb,fin));
    }
    return "";
  }

 	var position = lit_cook(this.nom)
  if(position != "") this.position = parseInt(position);
	if (this.position >= this.osize) this.position = 0;  
	$(this.objets[0]).style.display='none';
	$(this.objets[this.position]).style.display='block';
	if (this.durees[this.position] > 0) intervalle=this.durees[this.position];	
	pe = new PeriodicalExecuter(this.schedule, intervalle); 
	pe.iadv = this;
	
}
	
INSIDE_SHARED_ADVERT.prototype.schedule=function() {	
	$(this.iadv.objets[this.iadv.position]).style.display='none';
	this.iadv.position = this.iadv.position + 1;
	if (this.iadv.position >= this.iadv.osize) this.iadv.position = 0;
	$(this.iadv.objets[this.iadv.position]).style.display='block';
	this.stop();
	this.frequency = this.iadv.durees[this.iadv.position];	
	this.registerCallback();
	
	var expDate = new Date();
  expDate.setTime(expDate.getTime() + (30 * 24 * 3600 * 1000)); // 30 jours
	document.cookie = this.iadv.nom + "=" + this.iadv.position + ";expires=" + expDate.toGMTString()
}