function nuevoAjax(){
	var xmlhttp=false;
 	try {
 		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 	} catch (e) {
 		try {
 			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
 		} catch (E) {
 			xmlhttp = false;
 		}
  	}

	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}
function ajaxLogin(){
	var contenedor,nick,password;
	contenedor = document.getElementById('login');
	nick = document.getElementById('nick').value;
	password = document.getElementById('password').value;

	ajax=nuevoAjax();
	ajax.open("POST", "validar_login.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	 ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send("nick="+nick+"&password="+password)

}
function ajaxLogout(){
	var contenedor;
	contenedor = document.getElementById('login');
	ajax=nuevoAjax();
	ajax.open("GET", "logout.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null)

}
function ajaxRegistro(){
	var contenedor;
	contenedor = document.getElementById('popup');
	ajax=nuevoAjax();
	ajax.open("GET", "registro.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null)

}
function ajaxRegistroOk(){
	var contenedor;
	contenedor = document.getElementById('popup');
	var nick = document.getElementById('nick_r').value;
	var password = document.getElementById('password_r').value;
	var email = document.getElementById('email_r').value;
	ajax=nuevoAjax();
	ajax.open("POST", "exito_registro.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send("nick="+nick+"&password="+password+"&email="+email);

}
function ajaxSelectJuegos(n){
	var campo;
	ajax=nuevoAjax();
	switch(n){
		case 1:
			campo = document.getElementById('nuevo_desarrollador').value;
			contenedor = document.getElementById('div_desarrollador');
			ajax.open("GET", "select_juegos.php?ok=1&n=1&valor="+campo,true);
			break;
		case 2:
			campo = document.getElementById('nuevo_distribuidor').value;
			contenedor = document.getElementById('div_distribuidor');
			ajax.open("GET", "select_juegos.php?ok=1&n=2&valor="+campo,true);
			break;
		case 3:
			campo = document.getElementById('nuevo_genero').value;
			contenedor = document.getElementById('div_genero');
			ajax.open("GET", "select_juegos.php?ok=1&n=3&valor="+campo,true);
	}
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null);

}
function ajaxImagen(imagen,juego){
	var contenedor;
	contenedor = document.getElementById('popup');
	ajax=nuevoAjax();
	ajax.open("GET", "imagen_popup.php?img="+imagen+"&n="+juego,true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null)

}
function ajaxImagen2(imagen,juego){
	var contenedor;
	contenedor = document.getElementById('popup');
	ajax=nuevoAjax();
	ajax.open("GET", "imagen_popup2.php?img="+imagen+"&n="+juego,true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null)

}
function nuevaReproduccion(video){
	ajax=nuevoAjax();
	ajax.open("POST", "nueva_reproduccion.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send("video="+video);

}