function get_db_big() {
   window.open('http://www.ariva.de/cgi-bin/w_link.pl?bclick_db=1&adnr=667&rnd=0&pagename=homepage');
}
function get_db_sky() {
   window.open('http://www.ariva.de/cgi-bin/w_link.pl?bclick_db=1&adnr=666&rnd=0&pagename=homepage');
}
function get_db_content() {
   window.open('http://orderdbxm.salient.de/wavesxxl_order_0512.php?portal=db260');
}