//   "index.htm" : filenamen des gesamten framesets
// chkfr2 bzw chkfr3 für files aus 2. oder 3. Subdirectory
//   .main  : Namen aus "Frameset" (-> index.htm) eintragen.
// chkleftfr fuer alle "left"-frames

function chkfr() { if(!eval("parent.wibamain")) { location.replace("../index.html?"+location.href); }}

function chkfr2() { if(!eval("parent.wibamain")) { location.replace("../../index.html?"+location.href); }}

function chkfr3() { if(!eval("parent.wibamain")) { location.replace("../../../index.html?"+location.href); }}

function chkfr4() { if(!eval("parent.wibamain")) { location.replace("../../../../index.html?"+location.href); }}

function chkleftfr() { if(!eval("parent.wibamain")) { location.replace("../index.html"); }}

function fdate()
{
  var fdat=new Date(Date.parse(document.lastModified));
  var da=fdat.getDate();  var mo=fdat.getMonth() + 1;  var ye=fdat.getYear() % 100;
  var ho=fdat.getHours(); var mi=fdat.getMinutes();
  if(da<10)da="0"+da; if(mo<10)mo="0"+mo; if(ye<10)ye="0"+ye;
  if(ho<10)ho="0"+ho; if(mi<10)mi="0"+mi;
  return ", last update at "+da+"."+mo+"."+ye+" - "+ho+":"+mi+"<br>";
}