function pop_up(path,window_name,w,h,scrollbar) {
	var prop = 'width=' + w + ',height=' + h + ',status=0,location=0,scrollbars=' + scrollbar + ',resizable=0,toolbar=0,menubar=0';
	window.open(path, window_name, prop);
}


/* Öffnet ein Bild-Fenster
function fenster(img,descr,pos1,pos2,url) {
  var url = url + "?img=" + img + "&title=" + descr;
  var win_name = "bildfenster";
  var win_parameters = "dependent=yes,";
  var parameters = "left=0,top=0,width=1,height=1," + win_parameters;
  var win = window.open ( url, win_name, parameters );
  win.focus();
}

// Zentriert ein Bild-Fenster am Bildschirm
function zentriereFenster(w,h) {
  var pos1 = ( screen.availWidth-w) / 2;
  var pos2 = ( screen.availHeight-h ) / 2;
  this.window.moveTo(pos1,pos2);
}

// Entfernt alle "../" vor einem URI
function removeToFatherDirectory ( str ) {
	var ret = str;
	while ( ret.charAt ( 0 ) == "." && ret.charAt ( 1 ) == "." && ret.charAt ( 2 ) == "/" ) {
		if ( ret.charAt ( 0 ) == "." && ret.charAt ( 1 ) == "." && ret.charAt ( 2 ) == "/" ) {
			ret = ret.substring ( 3, ret.length );
		}
	}
	return ret;
}
*/

// Öffnet ein Bild-Fenster
function fenster(page,img,breite,hoehe) {
   var url=page + "?foto=" + img;
   var win_breite = breite + 22;
   var win_hoehe = hoehe + 69;
   var win_parameters = '';
   var win_name = "viewer";
   var pos1 = (screen.availWidth-win_breite)/2;
   var pos2 = (screen.availHeight-win_hoehe)/2;
   var parameters = "left=" + pos1 + ",top=" + pos2 + ",width=" + win_breite + ",height=" + win_hoehe + "," + win_parameters;
	 window.open(url,win_name,parameters);
}