var language="";
if (navigator.language) {
   language=navigator.language;  
}
if (navigator.userLanguage) {
   language=navigator.userLanguage;
}

var country=getCountry(language.toLowerCase());

function getCountry(language) {
   if (language=="en-us") {
      return "US";
   } else if (language=="en-ca") {
      return "CA";
   } else {
      return "UK";
   }
}