var referenciaEstilo;
var capaVisible;
var navegador;
if (navigator.appName == "Netscape") {
  referenciaEstilo = "";
  capaVisible="show";
  navegador = "Netscape"; }
else {
  referenciaEstilo = "style.";
  capaVisible="visible";
  navegador = "Explorer"; }
function nada() {}
function referenciaCapa(nombreCapa) {
  if (navegador=="Netscape")
    return "document.layers['"+nombreCapa+"'].";
  else
    return "document.all['"+nombreCapa+"'].";
}


var on1=new Array();
var off1=new Array();
var on2=new Array();
var off2=new Array();


function CargarImagenes(nombre,n) {
  for (i = 1; i < n; i++) {
    on1[i] = new Image();
    on1[i].src = "../imagenes/" + nombre + i + "ib.gif";
    off1[i] = new Image();
    off1[i].src = "../imagenes/" + nombre + i + "ia.gif";

    on2[i] = new Image();
    on2[i].src = "../imagenes/" + nombre + i + "db.gif";
    off2[i] = new Image();
    off2[i].src = "../imagenes/" + nombre + i + "da.gif";
  } 
  //on[i] = new Image();
  //on[i].src = "../imagenes/atras2.gif";
  //off[i] = new Image();
  //off[i].src = "../imagenes/atras1.gif"; 
  
}

function activa_opcion1 (objeto,indice,cont) {
  if (navegador == "Netscape")
    document[objeto].src = on1[indice].src;  
    //document.layers[cont].document[objeto].src = on1[indice].src;  
  else 
    document[objeto].src = on1[indice].src;  
}

function desactiva_opcion1 (objeto,indice,cont) {
  if (navegador == "Netscape")
    document[objeto].src = off1[indice].src;  
    //document.layers['Menu'].layers[cont].document[objeto].src = off1[indice].src;  
  else
    document[objeto].src = off1[indice].src;  
}

function activa_opcion2 (objeto,indice,cont) {
  if (navegador == "Netscape")
    document[objeto].src = on2[indice].src;  
  else 
    document[objeto].src = on2[indice].src;  
}

function desactiva_opcion2 (objeto,indice,cont) {
  if (navegador == "Netscape")
    document[objeto].src = off2[indice].src;  
  else
    document[objeto].src = off2[indice].src;  
}

function abrir_ventana(){
  window.open('fotos00.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_bra(){
  window.open('fotos08.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_akd(){
  window.open('fotos01.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_des(){
  window.open('fotos02.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_alu(){
  window.open('fotos03.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_buf(){
  window.open('fotos04.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_avar(){
  window.open('fotos05.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_per(){
  window.open('fotos06.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_rei(){
  window.open('fotos07.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_tot(){
  window.open('fotos09.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana2(direccion,nombre){
  window.open(direccion,nombre,'width=700,height=400,left=50,top=25,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}

function abrir_ventana_si(){
  window.open('fotos10.htm','FOTOS','width=725,height=425,left=0,top=0,toolbar=yes,menubar=no,location=no,status=yes,scrollbars=yes,resizable=yes');
}