function r_OpenWindow(theURL,winName,features) { //v2.0
  var featuresneu = features + ",resizable=yes,left=10,top=10";
  window.open(theURL,winName,featuresneu);
}


function r_OpenGuestbook() {
  window.open('http://schreinerei-kuebler.de/system-cgi/guestbook/guestbook.php?action=view','gaestebuch','scrollbars=yes,resizable=yes,width=600,height=580,left=20,top=20');
}