function getDomain() {
  lstr = location.hostname.split(".");
  domini="";
  for(var i=1;i<=2&&lstr.length-i>=0;i++) domini="."+lstr[lstr.length-i]+domini;
  //return(domini.substring(1,domini.length));
  return(domini);
}

function SetCookie(name, value, date){
  document.cookie = name + "=" + escape(value) + (date?";expires=" + date.toGMTString(date.getTime()):"") + ";Domain=" + getDomain() +";Path=/";
}


function delCookie(name) {
  SetCookie(name,"",new Date(1999,1,1));
}

function getCookie(name) {
  var begin=document.cookie.indexOf(name+"=");
  if(begin==-1) return null;
  var end=document.cookie.indexOf(";",begin);
  if(end==-1) end=document.cookie.length;
  return document.cookie.substring(document.cookie.indexOf("=",begin)+1,end);
}
function tria_idioma(url) {
    if (url == "cat") {
      SetCookie('grupsuraldesert','cat',new Date(2015,10,10));
      self.location.href = /desert/;
    }
    if (url == "esp") {
      SetCookie('grupsuraldesert','esp',new Date(2015,10,10));
      self.location.href = /desert/;
    }
    if (url == "ang") {
      SetCookie('grupsuraldesert','ang',new Date(2015,10,10));
      self.location.href = /desert/;
    }
    if (url == "fr") {
      SetCookie('grupsuraldesert','fr',new Date(2015,10,10));
      self.location.href = /desert/;
    }
}