function setCookie(value,xml_name,type)
{
var xml_name;
var exdate=new Date();
var expiredays = 1;
var c_name="casa";
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+"xxx"+escape(xml_name)+ "yyy"+ ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
switch (type)
{
case "city":
  window.open('casa_foto.html','_self');
  break
case "amis":
  window.open('casa_foto.html','_self');
  break
case "ecole":
  window.open('ecole_foto.html','_self');
  break
  case "vuevie":
  window.open('casa_foto.html','_self');
  break
default:
  alert("Error");
}
}