function guardarNewsletter(){
	var email = document.getElementById("emailnews").value;
	
	if (email !="Tu e-mail" && email !=""){
		if (isEMailAddr(email)){
			  var poststr = "email=" + escape(encodeURI(email));
			  makePOSTRequest('/espanol/chknews.php', poststr);
			  document.getElementById("reqemailnews").style.display='none';
		}else{
			document.getElementById("reqemailnews").style.display='inline';			
		}
	}
	else{document.getElementById("reqemailnews").style.display='inline';}
}
 var http_request = false;
function makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		// set type accordingly to anticipated content type
		//http_request.overrideMimeType('text/xml');
		http_request.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 //alert('Cannot create XMLHTTP instance');
	 return false;
  }
  
  http_request.onreadystatechange = wait;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}
function wait(){
	document.getElementById("newsletterform").style.display='none';
	document.getElementById("resultadonewsletterwait").style.display='block';
	setTimeout("alertContents()", 3000);
}
function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {            
            result = http_request.responseText;
			document.getElementById("newsletterform").style.display='none';
            document.getElementById("resultadonewsletter").style.display='inline';
		    document.getElementById("resultadonewsletterwait").style.display='none';
         } else {
            document.getElementById("resultadonewsletter").style.display='none';			 
			document.getElementById("newsletterform").style.display='inline';
		   document.getElementById("resultadonewsletterwait").style.display='none';
		}
      }else{
		   document.getElementById("resultadonewsletterwait").style.display='block';		   
	  }
}
function mostrar(info){
	if(controlarInputs(seccion)){
		switch(info){
			case 'Carreras':
				if(document.getElementById("Cursos").style.display!="inline"){
					document.getElementById("Carreras").style.display="inline";							
				}
			break;
			case 'Cursos':
				if(document.getElementById("Carreras").style.display!="inline"){	
					document.getElementById("Cursos").style.display="inline";
				}				
			break;		
			case 'Todo':
				document.getElementById("Todo").style.display="inline";		
			break;
		}
		document.getElementById("call2actionProgramasCursos").style.display="inline";	
	}
}

function controlarInputs(seccion){
	errorNombre = false;
	errorApellido = false;
	errorMail = false;
	errorInteres = false;
	
	nombre = document.getElementById("nombre").value;
	apellido = document.getElementById("apellido").value;	
	email = document.getElementById("email").value;
	if((nombre == "")||(nombre == "Tu nombre")){
		document.getElementById("nombre").className='formFieldError';
		document.getElementById("reqnombre").style.display="inline";
		errorNombre = true;
	}else{
		document.getElementById("nombre").className='formField';
		document.getElementById("reqnombre").style.display="none";
		errorNombre = false;	
	}	

	if((apellido == "")||(apellido == "Tu apellido")){
		document.getElementById("apellido").className='formFieldError';
		document.getElementById("reqnombre").style.display="inline";
		errorApellido = true;
	}else{
		document.getElementById("apellido").className='formField';
		document.getElementById("reqnombre").style.display="none";
		errorApellido = false;	
	}
	
	if((email == "")||(email == "Tu e-mail")){
		document.getElementById("email").className='formFieldError';	
		document.getElementById("reqemail").style.display="inline";
		errorMail = true;		
	}
	else{
	//Si no es vacio controla que sea tipo email a@b.com
		if (isEMailAddr(email)==false) {
			document.getElementById("email").className='formFieldError';	
			document.getElementById("reqemail").style.display="inline";
			errorMail = true;	
		}else{
			document.getElementById("email").className='formField';	
			document.getElementById("reqemail").style.display="none";
			errorMail = false;			
		}			
	}

	if(seccion == "home"){
		interes = document.getElementById("Interes").value;
		if(interes=="--"){
			document.getElementById("Interes").className='formFieldError';	
			document.getElementById("reqinteres").style.display="inline";
			errorInteres = true;		
		}else{
			document.getElementById("Interes").className='formField';	
			document.getElementById("reqinteres").style.display="none";
			errorInteres = false;		
		}
		
		if ((!errorMail) && (!errorNombre) && (!errorApellido) && (!errorInteres)){
			return true;
		}else{
			return false;
		}
	}else{
		if ((!errorMail) && (!errorNombre) && (!errorApellido)){
			return true;
		}else{
			return false;
		}		
	}
}

function ocultar(seccion){
	contarSeleccion(seccion);
	document.getElementById(seccion).style.display="none";
	document.getElementById("call2actionProgramasCursos").style.display="none";
}

function contarSeleccion(seccion){
	txt = "";
	a = 0;
	Message = "";
	switch(seccion){
		case 'Carreras':
			boxes = document.call2actionform.Carreras.length;
			
			for (i = 0; i < boxes; i++) {
				if (document.call2actionform.Carreras[i].checked) {
					txt = txt + document.call2actionform.Carreras[i].value + ", ";
					a = a + 1;
				}
			}
			
			if (txt == "") {
				Message = "0 carreras";
				document.getElementById("CarrerasSeleccionadas").value = "";
				document.getElementById("Carrerascont").innerHTML = "";
			}
			else {
				Message = txt;
				document.getElementById("Carrerascont").innerHTML = "Has seleccionado "+a+" carrera/s.<br>";
				document.getElementById("CarrerasSeleccionadas").value = txt;
			}			
		break;
		case 'Cursos':
			boxes = document.call2actionform.Cursos.length;

			for (i = 0; i < boxes; i++) {
				if (document.call2actionform.Cursos[i].checked) {
					txt = txt + document.call2actionform.Cursos[i].value + ", ";
					a = a + 1;
				}
			}
			
			if (txt == "") {
				Message = "0 cursos";
				document.getElementById("CursosSeleccionados").value = "";	
				document.getElementById("Cursoscont").innerHTML = "";			
			}
			else {
				Message = txt;
				document.getElementById("Cursoscont").innerHTML = "Has seleccionado "+a+" curso/s.<br>";
				document.getElementById("CursosSeleccionados").value = txt;
			}		
		break;
		case 'Todo':
			boxesCursos = document.call2actionform.Cursos.length;
			boxesProgramas = document.call2actionform.Programas.length;			
			txtProgramas = "";
			txtCursos = "";
			
			for (i = 0; i < boxesCursos; i++) {
				if (document.call2actionform.Cursos[i].checked) {
					txtCursos = txtCursos + document.call2actionform.Cursos[i].value + ", ";
					a = a + 1;
				}
			}
			
			if (txtCursos == "") {
				document.getElementById("CursosSeleccionados").value = "";	
				document.getElementById("Cursoscont").innerHTML = "";			
			}
			else {
				document.getElementById("Cursoscont").innerHTML = "Has seleccionado "+a+" curso/s.<br>";
				document.getElementById("CursosSeleccionados").value = txtCursos;
			}
			
			for (i = 0; i < boxesProgramas; i++) {
				if (document.call2actionform.Programas[i].checked) {
					txtProgramas = txtProgramas + document.call2actionform.Programas[i].value + ", ";
					a = a + 1;
				}
			}
			
			if (txtProgramas == "") {
				document.getElementById("ProgramasSeleccionados").value = "";
				document.getElementById("Programascont").innerHTML = "";
			}
			else {
				document.getElementById("Programascont").innerHTML = "Has seleccionado "+a+" programa/s.<br>";
				document.getElementById("ProgramasSeleccionados").value = txtProgramas;
			}				
			
			
			
		break;		
	}

	//alert(Message);
}
function enviarfrm(){
	document.call2actionform.action = '/Espanol/Formularios/formulario.php';
	document.call2actionform.submit();
}
function enviarfrm2(seccion){
	if(controlarInputs(seccion)){
		document.call2actionform.action = '/Espanol/Formularios/formulario.php';
		document.call2actionform.submit();
	}
}
function isEMailAddr(elem) {

	var str = elem;
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	if (!str.match(re)) {
		return false;
	} else {
		return true;
	}
}