function setCookie(nom, valeur, expiration) {
	
	monurl =  donne_domaine_partenaire();
	
          document.cookie = nom + "=" + escape(valeur)
         + ((expiration == null) ? "" : ("; expires=" + expiration.toGMTString()))
         + "; path=/ ; domain="+monurl
         
         //alert('cliquez pas !');
}

var expiration_en_fin_de_session= null;


var expiration_date_illimite = new Date("January 1, 2030");
function getCookie(nom) {
          
          var pos = document.cookie.indexOf(nom + "=");
          if(pos==-1)
          {
          	return null;	
          }
          else
          {
          	var pos2 = document.cookie.indexOf(";",pos);
	  	  if(pos2==-1)
	          {
	          	return unescape(document.cookie.substring(pos +nom.length +1));	
	          }
	          else
	          {
	          	
	          	return unescape(document.cookie.substring(pos +nom.length +1,pos2));
	          }
          }
          
          
          
          
}

function donne_dns_partenaire()
{
	var monurl = document.location.href;
	var monurl=monurl.replace(/http:\/\//,"");
	position_slash=monurl.indexOf("/");
	 //alert(position_slash);
	 if(position_slash>0)
	 {
	 	monurl=monurl.substring(0,position_slash);
	 }
	//alert(monurl); 
	
	return monurl;
}

function donne_domaine_partenaire()
{
	
	var monurl= donne_dns_partenaire();
	position_point=monurl.indexOf(".");
	var monurl=monurl.substring(position_point + 1);
	
	return monurl;
}