function afdruk()
{
 document.getElementById('btPrint').style.visibility = 'hidden';
 document.getElementById('btClose').style.visibility = 'hidden';
 window.print();
 document.getElementById('btClose').style.visibility = 'visible';
 document.getElementById('btPrint').style.visibility = 'visible';
}

var printWindow = null;

function printPage(url)
{
 var iWidth = 800;
 var iHeight = 600;
 var iLeft = (screen.width / 2) - (iWidth / 2);
 var iTop = (screen.height / 2) - (iHeight / 2);
 if (printWindow != null)
 {
  printWindow.close();
 }

 printWindow = window.open(url, 'PrintPopup', 'height='+iHeight+',width=' + iWidth + ',left=' + iLeft + ',top=' + iTop + ',scrollbars=yes,resizable=no,toolbar=no,statusbar=no');

 if (!printWindow.opener)
 {
  printWindow.opener = self;
 }
}


function loadPage()
  {
    document.title = window.opener.document.getElementById('title').innerHTML;
    document.getElementById('title').innerHTML = window.opener.document.getElementById('title').innerHTML;
    document.getElementById('content').innerHTML = window.opener.document.getElementById('content').innerHTML;
  }