function checkFrameset() {
if(self==top) { top.location.href="http://www.buechersuchseite.de/indexframe.htm?" + location.href; }
}
function schreibe_Lesezeichen() {
if(window.external) {
with(document) {
open("text/html");
write("Bookmark");
write(" ");
write("Lesezeichen direkt hier");
write(" ");
write("tell a friend");
write(" ");
close(); } }
}