if (document.images)	{
	nhome = new Image();			nhome.src = "images/nhome.gif";
	nhomeo = new Image();			nhomeo.src = "images/nhomeo.gif";
	njournal = new Image();			njournal.src = "images/njournal.gif";
	njournalo = new Image();		njournalo.src = "images/njournalo.gif";
	ncollect = new Image();			ncollect.src = "images/ncollect.gif";
	ncollecto = new Image();		ncollecto.src = "images/ncollecto.gif";
	nretail = new Image();			nretail.src = "images/nretail.gif";
	nretailo = new Image();			nretailo.src = "images/nretailo.gif";
	nour = new Image();				nour.src = "images/nour.gif";
	nouro = new Image();			nouro.src = "images/nouro.gif";
	ncontact = new Image();			ncontact.src = "images/ncontact.gif";
	ncontacto = new Image();		ncontacto.src = "images/ncontacto.gif";
	nfall06 = new Image();			nfall06.src = "images/nfall06.gif";
	nfall06o = new Image();			nfall06o.src = "images/nfall06o.gif";
	nspring06 = new Image();		nspring06.src = "images/nspring06.gif";
	nspring06o = new Image();		nspring06o.src = "images/nspring06o.gif";
	
	//just want to preload the bg image here:
	bgimage = new Image();		bgimage.src = "images/fall06bg.jpg";
}

function imgOn(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "o.src");
    }
}

function imgOff(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + ".src");
    }
}