pi = 0;
ad = new Array(pi);

 ad[pi++] = "<a href=\"http://www.bundeskampf.com/spende/207946\" TARGET=\"_blank\"><img src=\"http://www.bundeskampf.com/banner/6.jpg\" border=\"0\" width=\"468\" height=\"60\"></a>"
 ad[pi++] = "<a href=\"http://www.ninjata.de\" TARGET=\"_blank\"><img src=\"../ressourcen/banner/haupt.gif\" border=\"0\" width=\"468\" height=\"60\"></a>"
 ad[pi++] = "<a href=\"http://www.lexpark.de/?ref=xyzxyz\" TARGET=\"_blank\"><img src=\"http://www.cripton24.de/gfx/banner/banner4.gif\" border=\"0\" width=\"468\" height=\"60\"></a>"
 ad[pi++] = "<a href=\"http://www.ninjata.de\" TARGET=\"_blank\"><img src=\"../ressourcen/banner/ninjata.jpg\" border=\"0\" width=\"468\" height=\"60\"></a>"
 ad[pi++] = "<a href=\"http://www.klamm.de/?refid=12289\" TARGET=\"_blank\"><img src=\"http://www.img6.de/banner/o/468x60/klamm_468x60_o_33.gif\" border=\"0\" width=\"468\" height=\"60\"></a>"

psi = Math.floor(Math.random()*(pi));
document.write(ad[psi]);