function abrecierra(valor) {
elId = "tema"+valor;
obj = document.getElementById(elId);
if (obj.style.display == "none") {
    for (i=1;i<=total;i++) {
	 elId = "tema"+i;
     obj2 = document.getElementById(elId);
	 obj2.style.display = "none";
	 }
    obj.style.display = "";
    } else {
    obj.style.display = "none";
    }
}
function vinculo(idtema) {
// Llamar a la página que devuelve los cursos
process(idtema);
// verificar estado
if (estado == '1') {
  return;
  } else {
  estado = '1';
  var obj1 = document.getElementById("consult");
  var obj2 = document.getElementById("cont");
  var obj3 = document.getElementById("calend");
  var obj4 = document.getElementById("f1");
  var obj5 = document.getElementById("f2");
  obj1.style.display = "none";
  obj2.style.display = "none";
  obj3.style.display = "block";
  obj4.style.display = "none";
  obj5.style.display = "block";
  }
}
function process(idtema)
{
if (xmlHttp)
{
if ((xmlHttp.readyState == 4) || (xmlHttp.readyState == 0)) {		
try
{
xmlHttp.open("GET", "buscaCursos.php?idtema="+idtema, true);
xmlHttp.onreadystatechange = handleRequestStateChange;
xmlHttp.send(null);
}
catch (e)
{
///e.toString());
}
}
} else {
alert("Espere, estoy resolviendo su consulta anterior:\n"); 
}
}
function handleRequestStateChange()
{
if (xmlHttp.readyState == 4)
{
if (xmlHttp.status == 200)
{
try
{
response = xmlHttp.responseText;
//alert(response);
obj = document.getElementById("calend");
obj.innerHTML = "<div"+response+"</div>";
// ...
// ...
}
catch(e)
{
alert("Error reading the response: " + e.toString());
}
}
else
{
alert("There was a problem retrieving the data:\n" +
xmlHttp.statusText);
}
}
}
function consultoria()
{
//alert("Entro en consultoria");
if (estado == '2') {
  return;
  } else {
  estado = '2';
  var obj1 = document.getElementById("consult");
  var obj2 = document.getElementById("cont");
  var obj3 = document.getElementById("calend");
  var obj4 = document.getElementById("f1");
  var obj5 = document.getElementById("f2");
  obj1.style.display = "block";
  obj2.style.display = "none";
  obj3.style.display = "none";
  obj5.style.display = "none";
  obj4.style.display = "block";
  }
}
function novedades()
{
if (estado == '3') {
  return;
  } else {
  estado = '3';
  var obj1 = document.getElementById("consult");
  var obj2 = document.getElementById("cont");
  var obj3 = document.getElementById("calend");
  var obj6 = document.getElementById("a1");
  var obj4 = document.getElementById("f1");
  var obj5 = document.getElementById("f2");
  obj1.style.display = "none";
  obj2.style.display = "block";
  obj3.style.display = "none";
  obj5.style.display = "none";
  obj4.style.display = "block";
  obj6.style.display = "none";
  }
}
function contacto()
{
	ventana = open("consulta.php","","width=550,height=430,top=50,left=50,scrollbars=no");
}
function carrera(idcarr)
{
ventana = open("muestraCarrera.php?idcarr="+idcarr,"","width=600,height=480,top=50,left=100");	
}
function cursos(idcurso)
{
ventana = open("muestraCurso.php?idcurso="+idcurso,"","width=600,height=480,top=50,left=100");
}
function disp(numero) {
for (i=1;i<=numnov;i++) {
miID = "oculta" + i;
  var oculta = document.getElementById(miID);
  oculta.style.display = "none";
miID2 = "noti" + i;
  var disp2 = document.getElementById(miID2);
  disp2.style.borderStyle = 'none';   
  }
miID = "oculta" + numero;
  var oculta = document.getElementById(miID);
  oculta.style.display = "";
miID2 = "noti" + numero;
  var disp2 = document.getElementById(miID2);
  disp2.style.borderStyle = 'solid';
  disp2.blur();
}
function ocultar(numero) {
miID = "oculta" + numero;
  var oculta = document.getElementById(miID);
  oculta.style.display = "none";
miID2 = "noti" + numero;
  var disp2 = document.getElementById(miID2);
  disp2.style.borderStyle = 'none';
 }
function abrirCursos(carr) {
elId = "cursos"+carr;
obj = document.getElementById(elId);
obj.style.display="";
}
function cerrarCursos(carr) {
elId = "cursos"+carr;
obj = document.getElementById(elId);
obj.style.display='none';
}
function abrirfechas(fech) {
elId = "fechas"+fech;
obj = document.getElementById(elId);
obj.style.display="";
}
function cerrarfechas(fech) {
elId = "fechas"+fech;
obj = document.getElementById(elId);
obj.style.display='none';
}
function abre_quienes_somos() 
{
	ventana = open("quienessomos.html","","width=512,height=480,top=50,left=100");	
}