var IE4 = (document.all)? true : false;
function setStyle(clave,id,num) {
var cls = (IE4) ? 'className' : 'class'
for (var i=1;i<=num;i++) {
if (i==id)
eval("document.getElementById(clave+i.toString()).setAttribute('"+cls+"','selected')")
else
eval("document.getElementById(clave+i.toString()).setAttribute('"+cls+"','')")
}}
function setStyleBack(clave,id,num) {
for (var i=1;i<=num;i++) {
if (i==id)
document.getElementById(clave+i.toString()).setAttribute('bgColor','')
else
document.getElementById(clave+i.toString()).setAttribute('bgColor','#ffffff')
}}
function enlace_inicial(fra,enl,clave,id,num) {
setStyle(clave,id,num)
document.getElementById(fra).src = document.getElementById(enl+id.toString()).getAttribute('href')
}
function enlace_inicialBack(fra,enl,clave,id,num) {
setStyleBack(clave,id,num)
document.getElementById(fra).src = document.getElementById(enl+id.toString()).getAttribute('href')
}
function cambiapaginate(act,clave,num) {
var cls = (IE4) ? 'className' : 'class'
for (var i=1;i<=num;i++)	
eval("document.getElementById(clave+i.toString()).setAttribute('"+cls+"','')")
eval("act.setAttribute('"+cls+"','selected')")	
}
function hoy() {var weekdays = new Array("Domingo","Lunes","Martes","Miércoles","Jueves","Viernes","Sábado");
var months = new Array("Enero","Febrero","Marzo","Abril","Mayo","Junio","Julio","Agosto","Septiembre","Octubre","Noviembre","Diciembre");
var today = new Date(); var month = today.getMonth(); var date = today.getDate();var weekday = today.getDay();var year = today.getYear();
if (year <= 1000){ year = year + 1900; }
today=null; return (weekdays[weekday] + ", " + date + " de " + months[month] + " de " + year);}