var imageOff = new Array();
var imageOn = new Array();

imageOff['home'] = new Image();
imageOn['home'] = new Image();
imageOff['home'].src = '/images/blank.gif';
imageOn['home'].src = '/images/nav/on.gif';

function rollon(img, layername) {
	if (layername) layername = getElement(layername);
	if (document.images && imageOn['home']) {
		if ((layername)&&(!is.isNS5up)) {
			if (layername.document.images[img]) layername.document.images[img].src = imageOn['home'].src;
		} else document.images[img].src = imageOn['home'].src;
	}
}

function rolloff(img, layername) {
	if (layername) layername = getElement(layername);
	if (document.images && imageOff['home']) {
		if ((layername)&&(!is.isNS5up)) {
			if (layername.document.images[img]) layername.document.images[img].src = imageOff['home'].src;
		} else document.images[img].src = imageOff['home'].src;
	}
}