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";
	
}

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");
    }
}