function setCookie(naam, waarde)
{
  var now = new Date();
  now.setTime(now.getTime() + 2.6E9);
  var curCookie = naam + "=" +escape(waarde) + "; expires=" + now.toGMTString() +"; path=/";
  document.cookie =curCookie;
}
function getCookie(naam)
{
  var dc = document.cookie;
  var prefix = naam + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1)
  {
    begin = dc.indexOf(prefix);
    if (begin != 0)
      return "";
  }
  else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}