if(typeof sIFR == "function"){
  var importUrl = "swf";
  if (typeof SIFR_IMPORT_URL == 'string'){
    importUrl = SIFR_IMPORT_URL;
  }

  // This is the preferred "named argument" syntax
  sIFR.replaceElement(named({sSelector:"#sIFRheader", sFlashSrc:"http://www.kpn.com/v2/static/kpncom/swf/kpn_sans.swf", sColor:"#009900", sWmode:"transparent"}));
  sIFR.replaceElement(named({sSelector:"#sIFRheaderRestricted", sFlashSrc:"/v2/static/kpncom/swf/kpn_sans.swf", sColor:"#FFFFFF", sWmode:"transparent"}));
  };