function page_transition() {
  ausblenden("footer-zone");
  einblenden("footer-zone-start");

  setTimeout("slidePosition()", 1000);
}

function move_pos(elementname, pos) {
  document.getElementById(elementname).style.marginLeft = pos;
}

function einblenden(elementname) {
  document.getElementById(elementname).style.display = 'block';
}

function ausblenden(elementname) {
  document.getElementById(elementname).style.display = 'none';
}

function slidePosition() {
  obj = document.getElementById('footer-index');
  if (obj.style.height == "") height = 413; else height = parseInt(obj.style.height);
  if (height > 212) {
    obj.style.height = height - 2 + "px";
    obj = document.getElementById('footerimg-index');
    if (obj.style.height == "") height = 413; else height = parseInt(obj.style.height);
    obj.style.height = height - 2 + "px";
    obj = document.getElementById('logo-index');
    if (obj.style.marginTop == "") margin = 291; else margin = parseInt(obj.style.marginTop);
    obj.style.marginTop = margin - 2 + "px";
    obj = document.getElementById('logo_text-index');
    if (obj.style.paddingTop == "") padding = 281; else padding = parseInt(obj.style.paddingTop);
    obj.style.paddingTop = padding - 2 + "px";
    setTimeout("slidePosition()", 10);
  }
  else {
    einblenden('footer-zone');
    ausblenden('footer-zone-start');
  }
}