if(parent.frames[1])
 { 
   if(parent.frames[1].document.images[1])
   {
     parent.frames[1].Home_d_n.src        = "./button/Home_Nbuton_tr_1.gif";
     parent.frames[1].Home_d_h.src        = "./button/Home_NRbuton_tr_1.gif";
     parent.frames[1].Club_d_n.src        = "./button/Club_Nbuton_tr_1.gif";
     parent.frames[1].Club_d_h.src        = "./button/Club_NRbuton_tr_1.gif";
     parent.frames[1].Ostern_d_n.src      = "./button/ostern_Nbuton_tr.gif";
     parent.frames[1].Ostern_d_h.src      = "./button/ostern_NRbuton_tr.gif";
     parent.frames[1].Neuerkerode_d_n.src = "./button/neuerkerode_Nbuton_tr.gif";
     parent.frames[1].Neuerkerode_d_h.src = "./button/neuerkerode_NRbuton_tr.gif";
     parent.frames[1].Berichte_d_n.src    = "./button/Berichte_Hbuton_on.gif";
     parent.frames[1].Berichte_d_h.src    = "./button/Berichte_HRbuton_on.gif";
     parent.frames[1].Gastebuch_d_n.src   = "./button/Gastebuch_Nbuton_tr.gif";
     parent.frames[1].Gastebuch_d_h.src   = "./button/Gastebuch_NRbuton_tr.gif";
     parent.frames[1].Kontakt_d_n.src     = "./button/kontakt_Nbuton_tr.gif";
     parent.frames[1].Kontakt_d_h.src     = "./button/kontakt_NRbuton_tr.gif";

     parent.frames[1].document.images[0].src = parent.frames[1].Home_d_n.src;
     parent.frames[1].document.images[1].src = parent.frames[1].Club_d_n.src;
     parent.frames[1].document.images[2].src = parent.frames[1].Ostern_d_n.src;
     parent.frames[1].document.images[3].src = parent.frames[1].Neuerkerode_d_n.src;
     parent.frames[1].document.images[4].src = parent.frames[1].Berichte_d_h.src;
     parent.frames[1].document.images[5].src = parent.frames[1].Gastebuch_d_n.src;
     parent.frames[1].document.images[6].src = parent.frames[1].Kontakt_d_n.src;

   }
 }