//si has llegado aquí es que quieres echar un vistazo... eso está bien :) El código es libre así que copia a tu antojo. Además, está todo muy bien indicadito. Salud. El equipo de Magnoliart.com 2005

//if you are here means that you want to have a look around... that's good :) Code's free so copy whatever you need. Everything is very well marked (in Spanish, sorry mate). All the best. Magnoliart.com's Team 2005

//cambio de cabecera

var theImages = new Array()

theImages[0] = 'http://www.udguadalajarafs.com/img/cabecera/1down.gif'
<!--theImages[1] = 'http://www.udguadalajarafs.com/img/cabecera/2down.gif'
theImages[1] = 'http://www.udguadalajarafs.com/img/cabecera/3down.gif'
theImages[2] = 'http://www.udguadalajarafs.com/img/cabecera/4down.gif'

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}

//fecha

function Fecha(){
	var mydate=new Date();
	var year=mydate.getYear();
	if (year < 1000) year+=1900;
	var day=mydate.getDay();
	var month=mydate.getMonth();
	var daym=mydate.getDate();
	var dayarray=new Array("Domingo","Lunes","Martes","Miércoles","Jueves","Viernes","Sábado");
	var montharray=new Array("enero","febrero","marzo","abril","mayo","junio","julio","agosto","septiembre","octubre","noviembre","diciembre");
	return dayarray[day] + " " + daym + " de " + montharray[month] + " de " + year;
	}


	
//PopUp

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=650,height=500');");
}

//Cerrar PopUp
function cerrarVentana(){ 
ventana_secundaria.close() 
}