function externalLinks() {
 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 MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function swap(s) {
	var lay = new Array('tabelle','photos','videos');
	var l = new Array('t','p','v');
		for(x=0;x<lay.length;x++) { 	
			var obj = document.getElementById(lay[x]).style;
			var nav = document.getElementById(l[x]);
			if(s==lay[x]) { obj.display='block'; nav.className='cur'; } else { obj.display='none'; nav.className='off'; }
		}
}