var origSrc = "images/";

var nav = new Array();
nav['aktuelles'] = origSrc + "nav_aktuelles_sel.gif";
nav['zoffingen'] = origSrc + "nav_zoffingen_sel.gif";
nav['andacht'] = origSrc + "nav_andacht_sel.gif";
nav['klosterladen'] = origSrc + "nav_klosterladen_sel.gif";
nav['gaestehaus'] = origSrc + "nav_gaestehaus_sel.gif";
nav['kontakt'] = origSrc + "nav_kontakt_sel.gif";

function selectBox(num) {
	var Object = getObject(num);
    if (Object != null) {
    	origSrc = Object.src
    	Object.src = nav[num];
    }
}

function deselectBox(num) {
	var Object = getObject(num);
    if (Object != null) {
    	Object.src = origSrc;
    }
}

function getObject(name) {
	return document.getElementById (name)
}