// top nav

home_of = new Image();
home_of.src = "/img/nav_top_home.gif";
home_on = new Image();
home_on.src = "/img/nav_top_home_on.gif";

impressum_of = new Image();
impressum_of.src = "/img/nav_top_impressum.gif";
impressum_on = new Image();
impressum_on.src = "/img/nav_top_impressum_on.gif";

// nav

agentur_of = new Image();
agentur_of.src = "/img/nav_agentur.gif";
agentur_on = new Image();
agentur_on.src = "/img/nav_agentur_on.gif";

webart_of = new Image();
webart_of.src = "/img/nav_webart.gif";
webart_on = new Image();
webart_on.src = "/img/nav_webart_on.gif";

kontakt_of = new Image();
kontakt_of.src = "/img/nav_kontakt.gif";
kontakt_on = new Image();
kontakt_on.src = "/img/nav_kontakt_on.gif";

leistungen_of = new Image();
leistungen_of.src = "/img/nav_leistungen.gif";
leistungen_on = new Image();
leistungen_on.src = "/img/nav_leistungen_on.gif";

agentur_of = new Image();
agentur_of.src = "/img/nav_agentur.gif";
agentur_on = new Image();
agentur_on.src = "/img/nav_agentur_on.gif";

referenzen_of = new Image();
referenzen_of.src = "/img/nav_referenzen.gif";
referenzen_on = new Image();
referenzen_on.src = "/img/nav_referenzen_on.gif";


top_aktuell = '';

function nav_over(arg) {
	if (arg != top_aktuell) { image = document.images[arg]; image.src = eval(arg+'_on.src'); }
}

function nav_out(arg) {
	if (arg != top_aktuell) { image = document.images[arg]; image.src = eval(arg+'_of.src'); }
}

function nav_hilite(arg) {
	if (arg != top_aktuell) {
		if (top_aktuell != '') {
			image = document.images[top_aktuell];
			image.src = eval(top_aktuell+'_of.src');
		}
		nav_over(arg);
		top_aktuell = arg;
	}
}