function switchlayer(Layer_Name)
{/*drop-down Menü*/
	  var GECKO = document.getElementById? 1:0 ;
	  var NS = document.layers? 1:0 ;
	  var IE = document.all? 1:0 ;

	  if (GECKO)
		   {document.getElementById(Layer_Name).style.display=
		   (document.getElementById(Layer_Name).style.display=='block') ? 'none' : 'block';}
	  else if (NS)
		   {document.layers[Layer_Name].display=(document.layers[Layer_Name].display==
		   'block') ? 'none' : 'block';}
	  else if (IE)
		   {document.all[Layer_Name].style.display=(document.all[Layer_Name].style.display==
		   'block') ? 'none' : 'block';}
}

function externalLinks() {
    /* externe Links werden per Javascript geöffnet. Target-attribut in xhtml1.0
    strict unbekannt*/
 		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';
 			}
}
window.onload = externalLinks;

function printmail(name, domain, TLD)
{
	document.write('<a href=\"mailto:' + name + '@' + domain + '.' + TLD +'\">');
	document.write(name + '@' + domain + '.' + TLD + '</a>');
}