function FixCookieDate (date) {
   var base = new Date(0);
   var skew = base.getTime(); // dawn of (Unix) time - should be 0
   if (skew > 0) {  // Except on the Mac - ahead of its time
      date.setTime (date.getTime() - skew);
   }
}
function SetCookie (name,value,expires,path,domain,secure) {
   document.cookie = name + "=" + escape (value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
}
function SetLang(Lang) {
  var expdate = new Date (2050,12,31,12,00,00);
  FixCookieDate (expdate); 
  SetCookie ("Lang", Lang, expdate, "/");
}
function getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1) {
      endstr = document.cookie.length;
   }
   return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {
   var arg = name + "=";
   var alen = arg.length;
   var clen = document.cookie.length;
   var i = 0;
   while (i < clen) {
      var j = i + alen;
      if (document.cookie.substring(i, j) == arg) {
         return getCookieVal (j);
      }
      i = document.cookie.indexOf(" ", i) + 1;
      if (i == 0) {
         break;
      }
   }
   return null;
}