var http_request2 = false;

function replace(texto,s1,s2){
	return texto.split(s1).join(s2);
}


function get(obj) {
  
  var poststr = "nombre=" + encodeURI(replace(document.getElementById("nombre").value,'&', 'Aampersand;')) +
				"&email=" + encodeURI(replace(document.getElementById("email").value,'&', 'Aampersand;')) +
				"&ciudad=" + encodeURI(replace(document.getElementById("ciudad").value,'&', 'Aampersand;')) +
				"&pais=" + encodeURI(replace(document.getElementById("pais").value,'&', 'Aampersand;'));
  AJAXPreloader();
  makePOSTRequest('ajax_club.php', poststr);
}

function makePOSTRequest(url, parameters)
{
	http_request2 = false;

	if (window.XMLHttpRequest)
	{
		http_request2 = new XMLHttpRequest();
		if (http_request2.overrideMimeType)
		{
			http_request2.overrideMimeType('text/plain');
		}
	}
	else
		if (window.ActiveXObject)
		{ // IE
			try {
				http_request2 = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request2 = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {alert("Imposible crear Objeto Active X: \n Información del error:\n"+e.message);}
			}
		}

	http_request2.onreadystatechange = alertContents;
	http_request2.open('POST', url, true);
	http_request2.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request2.setRequestHeader("Connection", "close");
	http_request2.send(parameters);
}

function AJAXPreloader()
{
	var preloaderHTML = "";
	var limpiar1 = document.getElementById('contenido');
	var limpiar2 = document.getElementById('texto');
	
	limpiar1.innerHTML = " ";
	limpiar2.innerHTML = " ";
	
	var ObjContainer = document.getElementById('club_formulario');

		preloaderHTML += "<div id=\"loading\" align=\"center\">";
		preloaderHTML +=	"Guardando información...";
		preloaderHTML +=	"<br>";
		preloaderHTML +=	"<img style=\"padding-top:6px;\" src=\"Imagenes/loading.gif\" ";
		preloaderHTML +=	"alt=\"Cargando\">";
		preloaderHTML += "</div>";

	ObjContainer.innerHTML = preloaderHTML;
}

function alertContents() {
  if (http_request2.readyState == 4) {
	 if (http_request2.status == 200) {
		result = http_request2.responseText;
		document.getElementById('club_formulario').innerHTML = result;
	 } else {
		alert('Hubo un problema con los datos.');
	 }
  }
}

function validar()
{
	var nombre = document.getElementById('nombre');
	var email = document.getElementById('email');
	var ciudad = document.getElementById('ciudad');
	var pais = document.getElementById('pais');

	if(nombre.value == "" || email.value == "" || ciudad.value == "" || pais.value == "")
		alert("Por favor complete todos los campos.");
	else
		document.getElementById('miform').submit();
}