<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Gregor (legreg@legreg.de) -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;

function hidelayer(lay) {
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    document.all[lay].style.visibility = "hidden";
  }

  if (ns4) {
    document.layers[lay].visibility = "hide";
  }

  if (ns6) {
    document.getElementById([lay]).style.display = "none";
  }
}

function showlayer(lay) {
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    document.all[lay].style.visibility = "visible";
  }

  if (ns4) {
    document.layers[lay].visibility = "show";
  }

  if (ns6) {
    document.getElementById([lay]).style.display = "block";
  }
}

function writetolayer(lay,txt) {
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    document.all[lay].innerHTML = txt;
  }

  if (ns4) {
    document[lay].document.write(txt);
    document[lay].document.close();
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    range = document.createRange();
    range.setStartBefore(over);
    domfrag = range.createContextualFragment(txt);

    while (over.hasChildNodes()) {
      over.removeChild(over.lastChild);
    }

    over.appendChild(domfrag);
  }
}
//  End -->
</script>

