var isOn = false;

function irudiakKargatu () {

	mezuaOff = new Image ();mezuaOff.src = "/img/portada/mezua.gif";
	mezuaOn = new Image ();mezuaOn.src = "/img/portada/mezua2.gif";
	cuadrosFamososOff = new Image ();cuadrosFamososOff.src = "/img/portada/cuadrosFamosos.gif";
	cuadrosFamososOn = new Image ();cuadrosFamososOn.src = "/img/portada/cuadrosFamosos2.gif";
	infantilesOff = new Image ();infantilesOff.src = "/img/portada/infantiles.gif";
	infantilesOn = new Image ();infantilesOn.src = "/img/portada/infantiles2.gif";
	banoOff = new Image ();banoOff.src = "/img/portada/bano.gif";
	banoOn = new Image ();banoOn.src = "/img/portada/bano2.gif";
	variosOff = new Image ();variosOff.src = "/img/portada/varios.gif";
	variosOn = new Image ();variosOn.src = "/img/portada/varios2.gif";
	cocinaOff = new Image ();cocinaOff.src = "/img/portada/cocina.gif";
	cocinaOn = new Image ();cocinaOn.src = "/img/portada/cocina2.gif";
	monumentosOff = new Image ();monumentosOff.src = "/img/portada/monumentos.gif";
	monumentosOn = new Image ();monumentosOn.src = "/img/portada/monumentos2.gif";
	paisajesOff = new Image ();paisajesOff.src = "/img/portada/paisajes.gif";
	paisajesOn = new Image ();paisajesOn.src = "/img/portada/paisajes2.gif";
	arbolesOff = new Image ();arbolesOff.src = "/img/portada/arboles.gif";
	arbolesOn = new Image ();arbolesOn.src = "/img/portada/arboles2.gif";
	relojesOff = new Image ();relojesOff.src = "/img/portada/relojes.gif";
	relojesOn = new Image ();relojesOn.src = "/img/portada/relojes2.gif";
	heraldicaOff = new Image ();heraldicaOff.src = "/img/portada/heraldica.gif";
	heraldicaOn = new Image ();heraldicaOn.src = "/img/portada/heraldica2.gif";
	euskadiOff = new Image ();euskadiOff.src = "/img/portada/euskadi.gif";
	euskadiOn = new Image ();euskadiOn.src = "/img/portada/euskadi2.gif";
	religiososOff = new Image ();religiososOff.src = "/img/portada/religiosos.gif";
	religiososOn = new Image ();religiososOn.src = "/img/portada/religiosos2.gif";
	futbolOff = new Image ();futbolOff.src = "/img/portada/futbol.gif";
	futbolOn = new Image ();futbolOn.src = "/img/portada/futbol2.gif";

	isOn = true;
}	

function on(imgName) {
	if (!isOn) return;

	imgOn = eval(imgName + "On.src");	
	document[imgName].src = imgOn;
}

function off(imgName) {
	if (!isOn) return;

	imgOff = eval(imgName + "Off.src");	
	document[imgName].src = imgOff;
}