function main_picture()
{
  now=new Date();
  day=now.getDay();
  if (day == 0)     // Sonntag        Berger Kirche
     document.write("<img src='./foto/startseite/2004_04_11_029_berger_kirche_50.jpg'  width='200' height='300' border='2' alt='2004_04_11_029'>");
  else if (day == 1)// Montag         Strommasten
     document.write("<img src='./foto/startseite/2004_04_11_018_50.jpg'                width='200' height='300' border='2' alt='2004_04_11_018'>");  
  else if (day == 2)// Dienstag       Berger Kirche
     document.write("<img src='./foto/startseite/2003_05_05_002_berger_kirche2_40.jpg' width='200' height='300' border='2' alt='2003_05_05_002'>");  
  else if (day == 3)// Mittwoch       Kreuzkapelle
     document.write("<img src='./foto/startseite/2004_06_28_007a_kreuzkapelle_50.jpg'  width='200' height='300' border='2' alt='2004_06_28_007a'>");
  else if (day == 4)// Donnerstag     Ballone
     document.write("<img src='./foto/startseite/2004_06_06_041_50.jpg'                width='200' height='300' border='2' alt='2004_06_06_041'>");
  else if (day == 5)// Freitag        Niederbrechen
     document.write("<img src='./foto/startseite/2004_06_27_018_rathauseck_50.jpg'     width='200' height='300' border='2' alt='2004_06_27_018'>");
  else              // Samstag        Limburger Dom
     document.write("<img src='./foto/startseite/2004_05_19_007_limburger_dom_50.jpg'  width='200' height='300' border='2' alt='2004_05_19_007'>");
} // end of function