function external_links() {
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
      anchor.target = "_blank";
	    anchor.title = (anchor.title != "") ? anchor.title+" [öffnet in neuem Fenster]" : anchor.getAttribute("href")+" [öffnet in neuem Fenster]";
	    anchor.className = (anchor.className != '') ? anchor.className+' external' : 'external';
	  }
  }
}
function popup_links() {
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "popup") {
      anchor.onclick=function() {
          popup_window(this.href); return false;
        }
	    anchor.title = (anchor.title != "") ? anchor.title+" [öffnet in Popup-Fenster]" : anchor.getAttribute("href")+" [öffnet in Popup-Fenster]";
	    anchor.className = (anchor.className != '') ? anchor.className+' popup' : 'popup';
	  }
  }
}
function popup_window(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=560,height=760,screenX=150,screenY=150,top=150,left=150');
}
function popup_closelink() {
  document.writeln('<p class="closelink">');
  document.writeln('  <a href="#" onClick=\'window.close();\' title="Popup-Fenster schließen">Fenster schliessen</a>');
  document.writeln('</p>');
}