function set_cookie(name, value, exp_y, exp_m, exp_d, path, domain, secure)
{
  var cookie_string = name + "=" + escape (value);

  if ( exp_y )
  {
    var expires = new Date (exp_y, exp_m, exp_d);
    cookie_string += "; expires=" + expires.toGMTString();
  }

  if ( path )
        cookie_string += "; path=" + escape (path);

  if ( domain )
        cookie_string += "; domain=" + escape (domain);
  
  if ( secure )
        cookie_string += "; secure";
  
  document.cookie = cookie_string;
}

function get_cookie(cookie_name)
{
  var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );

  if ( results )
    return (unescape(results[2]));
  else
    return 'en';
}