var rollover;
var kompass_kontakt;
var kompass_coaching;
var kompass_person;
var kompass_beratung;
var beratung_on, beratung_off;
var kontakt_on, kontakt_off;
var person_on, person_off;
var coaching_on, coaching_off;
var last_src;
var leftMargin;

function init(pfad) {
	if(pfad === null){ return; }
	var browser_name = navigator.appName;
	var browser_version = parseFloat(navigator.appVersion);
	if (browser_name == "Netscape" && browser_version >= 3) {
		rollover = "true";
		leftMargin = (window.innerWidth/2)-512;
	} else {
		leftMargin = (document.body.clientWidth/2)-480;
		if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4) {
			rollover = "true";
		} else {
			rollover = "false";
		}
	}
	if (rollover) {
		beratung_on = new Image();
		beratung_on.src = pfad+"images/n_beratung_on.gif";
		beratung_off = new Image();
		beratung_off.src = pfad+"images/n_beratung_off.gif";
		kontakt_on = new Image();
		kontakt_on.src = pfad+"images/n_kontakt_on.gif";
		kontakt_off = new Image();
		kontakt_off.src = pfad+"images/n_kontakt_off.gif";
		person_on = new Image();
		person_on.src = pfad+"images/n_zurperson_on.gif";
		person_off = new Image();
		person_off.src = pfad+"images/n_zurperson_off.gif";
		coaching_on = new Image();
		coaching_on.src = pfad+"images/n_coaching_on.gif";
		coaching_off = new Image();
		coaching_off.src = pfad+"images/n_coaching_off.gif";
		kompass_kontakt = new Image();
		kompass_kontakt.src = pfad+"images/kompass_kontakt.gif";
		kompass_person = new Image();
		kompass_person.src = pfad+"images/kompass_zurperson.gif";
		kompass_coaching = new Image();
		kompass_coaching.src = pfad+"images/kompass_coaching.gif";
		kompass_beratung = new Image();
		kompass_beratung.src = pfad+"images/kompass_beratung.gif";
	}
	/**
	 * Anpassen des linken Abstands, da bei langen Seiten der Scrollbalken
	 * mit eingerechnet wird und die Seite verspringt
	 */
	document.getElementById('page').style.marginLeft = leftMargin;
}

function f_over(img, ref) {
	if (rollover) {
		document.images[img].src = ref.src;
		last_src = document.images["kompass"].src;
		if (img == "kontakt") {
			document.images["kompass"].src = kompass_kontakt.src;
		} else if (img == "zurperson") {
			document.images["kompass"].src = kompass_person.src;
		} else if (img == "coaching") {
			document.images["kompass"].src = kompass_coaching.src;
		} else if (img == "beratung") {
			document.images["kompass"].src = kompass_beratung.src;
		}
	}
}
function f_out(img, ref) {
	if (rollover) {
		document.images[img].src = ref.src;
		if(last_src){
			document.images["kompass"].src = last_src;
		}
	}
}