<!-- Inicio codigo

nombre = navigator.appName;
version = parseInt(navigator.appVersion);

if ((nombre == "Netscape" && version >= 3) || (nombre == "Microsoft Internet Explorer" && version >= 2)) ver = "correcta";
        else ver = "incorrecta";

function avis01(){
   if (ver == "correcta") {
      window.open('./f_ext1_echano.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis05(){
   if (ver == "correcta") {
      window.open('./f_portn_echano.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis09(){
   if (ver == "correcta") {
      window.open('./f_dovelas_echano.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis10(){
   if (ver == "correcta") {
      window.open('./f_capit3_echano.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis02(){
   if (ver == "correcta") {
      window.open('./f_port_echa.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis03(){
   if (ver == "correcta") {
      window.open('./f_det_echa.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis04(){
   if (ver == "correcta") {
      window.open('./f_v_echan.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis06(){
   if (ver == "correcta") {
      window.open('./f_capit_echan.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis07(){
   if (ver == "correcta") {
      window.open('./f_abs_echan.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis08(){
   if (ver == "correcta") {
      window.open('./f_can_echan.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis11(){
   if (ver == "correcta") {
      window.open('./f_ext_echano.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis12(){
   if (ver == "correcta") {
      window.open('./f_det1_echa.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis13(){
   if (ver == "correcta") {
      window.open('./f_hast_echan.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis14(){
   if (ver == "correcta") {
      window.open('./f_plano_ech.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis15(){
   if (ver == "correcta") {
      window.open('./f_pila_echano1.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
function avis16(){
   if (ver == "correcta") {
      window.open('./f_pila_echano.htm','','scrollbars=yes,resizable=yes,width=660,height=540')
   }else{
      parent.location.href="./indice.htm";
   }
}
//-- Fin codigo -->