a_low=new Image();
a_high=new Image();

b_low=new Image();
b_high=new Image();

c_low=new Image();
c_high=new Image();

d_low=new Image();
d_high=new Image();

e_low=new Image();
e_high=new Image();

a_low.src="pic/nav/urbutton_news_off.gif";
a_high.src="pic/nav/urbutton_news_on_k.gif";

b_low.src="pic/nav/urbutton_magazin_off.gif";
b_high.src="pic/nav/urbutton_magazin_on_k.gif";

c_low.src="pic/nav/urbutton_termine_off.gif";
c_high.src="pic/nav/urbutton_termine_on_k.gif";

d_low.src="pic/nav/urbutton_links_off.gif";
d_high.src="pic/nav/urbutton_links_on_k.gif";

e_low.src="pic/nav/urbutton_kontakt_off.gif";
e_high.src="pic/nav/urbutton_kontakt_on_k.gif";



function swap(Bildnr,Bildobjekt)
{
window.document.images[Bildnr].src=Bildobjekt.src;
}