function openWin(myURL) {
  popup = window.open(myURL.href, 'Zoombild', 'width=560,height=425, status=no, top=200, left=200');
  popup.focus();
  return false;
}

function openWin2(myURL) {
  popup = window.open(myURL.href, 'Zoombild2', 'width=498,height=670, status=no, top=200, left=200');
  popup.focus();
  return false;
}

function openWin3(myURL) {
  popup = window.open(myURL.href, 'Zoombild3', 'width=600,height=550, status=no, scrollbars=yes, top=50, left=100');
  popup.focus();
  return false;
}

function openWin4(myURL) {
  popup = window.open(myURL.href, 'Zoombild4', 'width=620,height=470, status=no, scrollbars=yes, top=50, left=100');
  popup.focus();
  return false;
}

function openWin5(myURL) {
  popup = window.open(myURL.href, 'Zoombild5', 'width=470,height=620, status=no, scrollbars=yes, top=50, left=100');
  popup.focus();
  return false;
}

function openWin6(myURL) {
  popup = window.open(myURL.href, 'Zoombild6', 'width=680,height=460, status=no, scrollbars=yes, top=50, left=100');
  popup.focus();
  return false;
}