function init(){
	document.all["txtFecha"].innerHTML = displayDate();
}

function alternar_img(nombre,fuente) {
   imagen = new Object();
   imagen = nombre;
   imagen.src = fuente;
}
function ventana(url) {
	
	popup=window.open(url,'Ayuda','width=500,height=500,left=200,top=150,scrollbars=no');
}
function ventanamapaweb(url) {
	
	popup=window.open(url,'Ayuda','width=580,height=580,left=200,top=0,scrollbars=yes');
}
function ventanafirmas(url) {
	
	popup=window.open(url,'Ayuda','width=680,height=580,left=200,top=0,scrollbars=yes');
}

function cambColor(obj,color)
{
obj.style.backgroundColor=color;
}

var pong;
function makeArray(n){
  this.length = n;
  for (i=1;i<=n;i++){
    this[i]=0;
  }
  return this;
}

// standard date display function with y2k compatibility
function displayDate() {
  var this_month = new makeArray(12);
  this_month[0]  = "Enero";
  this_month[1]  = "Febrero";
  this_month[2]  = "Marzo";
  this_month[3]  = "Abril";
  this_month[4]  = "Mayo";
  this_month[5]  = "Junio";
  this_month[6]  = "Julio";
  this_month[7]  = "Agosto";
  this_month[8]  = "Septiembre";
  this_month[9]  = "Octubre";
  this_month[10] = "Noviembre";
  this_month[11] = "Deciembre";

  var this_day_e = new makeArray(7);
  this_day_e[0]  = "Domingo";
  this_day_e[1]  = "Lunes";
  this_day_e[2]  = "Martes";
  this_day_e[3]  = "Miércoles";
  this_day_e[4]  = "Jueves";
  this_day_e[5]  = "Viernes";
  this_day_e[6]  = "Sábado";

  var today = new Date();
  var day   = today.getDate();
  var month = today.getMonth();
  var year  = today.getYear();
  var dia = today.getDay();
    if (year < 1000) {
       year += 1900; }
  return( " " + day + " de " + this_month[month] + " " + year);
}