// Inicializa imagenes de navegación
if (document.images) {
	homeOff = new Image(31,74);
	homeOff.src = "img/nav01_off.gif";
	servicesOff = new Image(31,91);
	servicesOff.src = "img/nav02_off.gif";
	packagesOff = new Image(31,97);
	packagesOff.src = "img/nav03_off.gif";
	supportOff = new Image(31,91);
	supportOff.src = "img/nav04_off.gif";
	contactOff = new Image(31,88);
	contactOff.src = "img/nav05_off.gif";
	facebox01Off = new Image(70,70);
	facebox01Off.src = "img/facebox01_off.gif";
	facebox02Off = new Image(70,70);
	facebox02Off.src = "img/facebox02_off.gif";
	facebox03Off = new Image(70,70);
	facebox03Off.src = "img/facebox03_off.gif";
	go1Off = new Image(36,17);
	go1Off.src = "img/go_off.gif";
	go2Off = new Image(36,17);
	go2Off.src = "img/go_off.gif";
	go3Off = new Image(36,17);
	go3Off.src = "img/go_off.gif";
    
    	homeOn = new Image(31,74);
	homeOn.src = "img/nav01_on.gif";
	servicesOn = new Image(31,91);
	servicesOn.src = "img/nav02_on.gif";
	packagesOn = new Image(31,97);
	packagesOn.src = "img/nav03_on.gif";
	supportOn = new Image(31,91);
	supportOn.src = "img/nav04_on.gif";
	contactOn = new Image(31,88);
	contactOn.src = "img/nav05_on.gif";
	facebox01On = new Image(70,70);
	facebox01On.src = "img/facebox01_on.gif";
	facebox02On = new Image(70,70);
	facebox02On.src = "img/facebox02_on.gif";
	facebox03On = new Image(70,70);
	facebox03On.src = "img/facebox03_on.gif";
	go1On = new Image(36,17);
	go1On.src = "img/go_on.gif";
	go2On = new Image(36,17);
	go2On.src = "img/go_on.gif";
	go3On = new Image(36,17);
	go3On.src = "img/go_on.gif";
}


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

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