old=-1;
old_src="";
tmp_src="";

dellen01=new Image();
dellen01.src="images/menu/dellenrep_ia.gif"
dellen02=new Image();
dellen02.src="images/menu/dellenrep_a.gif"

hagel01=new Image();
hagel01.src="images/menu/hagel_ia.gif"
hagel02=new Image();
hagel02.src="images/menu/hagel_a.gif"

video01=new Image();
video01.src="images/menu/vide_ia.gif"
video02=new Image();
video02.src="images/menu/vide_a.gif"

download01=new Image();
download01.src="images/menu/download_ia.gif"
download02=new Image();
download02.src="images/menu/download_a.gif"

zertifikat01=new Image();
zertifikat01.src="images/menu/zertifikat_ia.gif"
zertifikat02=new Image();
zertifikat02.src="images/menu/zertifikat_a.gif"

gallerie01=new Image();
gallerie01.src="images/menu/gallerie_ia.gif"
gallerie02=new Image();
gallerie02.src="images/menu/gallerie_a.gif"

kontakt01=new Image();
kontakt01.src="images/menu/kontakt_ia.gif"
kontakt02=new Image();
kontakt02.src="images/menu/kontakt_a.gif"



function wechsel(a, Bild) {
	tmp_src=window.document.images[a].src;
	if (a!=old)  window.document.images[a].src=Bild.src;
}

function wechsel_neu(a, Bild) {
	if (old != -1) {
		window.document.images[old].src=old_src;
	}
    old_src=tmp_src;
    old=a;

    window.document.images[a].src=Bild.src;
}