function fenster(anna){
	var path_to_iFrame = window.location.pathname;
	var pieces= new Array();
	pieces = path_to_iFrame.split("/");
	pieces.pop();
	var path_without_iFrame = pieces.join("/");
	var url = "/popups/popup.php";
	url += "?bild=" + anna;
	url += "&path=" + path_without_iFrame;
	var groesse="width=960,height=500,directories=no,location=no,menubar=no,toolbar=no, scrollbar=yes, resizable=yes";
	neuesFenster=open(url,"zeigebild",groesse);
	neuesFenster.focus();
	neuesFenster.moveTo(125, 150);
}