var imagenumber = 8 ; //Anzahl der Grafiken
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;

anzeige = new Array

anzeige[1]  = '<A HREF="http://partners.webmasterplan.com/click.asp?ref=5503&site=3720&type=b124&bnb=124" TARGET="_blank">'
            + '<IMG SRC="http://banners.webmasterplan.com/view.asp?ref=5503&site=3720&b=124" '
            + 'ALT="Karstadt.de - Ein Klick erfüllt Wünsche." WIDTH="88" HEIGHT="31" BORDER="0"></A>'

anzeige[2]  = '<A HREF="http://partners.webmasterplan.com/click.asp?ref=5503&site=1977&type=b34&bnb=34" TARGET="_blank">'
            + '<IMG SRC="http://banners.webmasterplan.com/view.asp?site=1977&ref=5503&b=34" WIDTH="88" HEIGHT="31" '
            + 'ALT="united-domains.de - Domains weltweit registrieren" BORDER="0"></A>'

anzeige[3]  = '<A HREF="http://click.jamba.de/click.asp?ref=5503&site=2703&type=b5&bnb=5" TARGET="_blank">'
            + '<IMG SRC="http://view.jamba.de/view.asp?ref=5503&site=2703&b=5" '
            + 'WIDTH="88" HEIGHT="31" ALT="Jamba! Handy Fun & Jamba! SIM" BORDER="0"></A>'

anzeige[4]  = '<A HREF="http://partners.webmasterplan.com/click.asp?ref=5503&site=2488&type=b35&bnb=35" TARGET="_blank">'
            + '<IMG SRC="http://banners.webmasterplan.com/view.asp?site=2488&ref=5503&b=35" '
            + 'WIDTH="88" HEIGHT="31" ALT="Leserservice, der Abodienst der Deutschen Post AG" BORDER="0"></A>'

anzeige[5]  = '<A HREF="http://partners.webmasterplan.com/click.asp?ref=5503&site=3657&type=b130&bnb=130" TARGET="_blank">'
            + '<IMG SRC="http://banners.webmasterplan.com/view.asp?ref=5503&site=3657&b=130" '
            + 'WIDTH="80" HEIGHT="30" ALT="Einkaufen bei QUELLE" BORDER="0"></A>'

anzeige[6]  = '<A HREF="http://partners.webmasterplan.com/click.asp?ref=5503&site=1300&type=b57&bnb=57" TARGET="_blank">'
            + '<IMG SRC="http://banners.webmasterplan.com/view.asp?ref=5503&site=1300&b=57" '
            + 'WIDTH="88" HEIGHT="31" ALT="Abebooks.de - Neue, gebrauchte, antiquarische Bücher" BORDER="0"></A>'

anzeige[7]  = '<A HREF="http://partners.webmasterplan.com/click.asp?ref=5503&site=2318&type=b30&bnb=30" TARGET="_blank">'
            + '<IMG SRC="http://banners.webmasterplan.com/view.asp?ref=5503&site=2318&b=30" '
            + 'WIDTH="88" HEIGHT="31" ALT="Close Up Posters" BORDER="0"></A>'

anzeige[8]  = '<A HREF="http://www.epilog.de/Service/eBook/Index.html" TARGET="_top">'
            + '<IMG SRC="http://www.epilog.de/shayol/_Banner/88x28_eBook.gif" '
            + 'WIDTH="88" HEIGHT="28" ALT="Shayol eBooks" BORDER="0"></A>'

var einblendung = anzeige[rand1];

document.write(einblendung);