function extUrlmetTeller(tellernaam, url, external)
{
   //google analytics
   urchinTracker('/outgoing/' + tellernaam);

   if (external == "external")
   {
      window.open(url, "ext");
   }
   else
   {
      document.location.href = url;
   }

   return false;
}

function snelCodeTeller()
{
   var code = document.getElementById('code').value;

   //google analytics
   urchinTracker('/searchcode/' + code);
}