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 guardarDatos(){
	var t1, t2, t3, contenedor;
	contenedor = document.getElementById('contenedor');
	t1 = document.getElementById('nombre').value;
	t2 = document.getElementById('mail').value;
	ajax=nuevoAjax();
	ajax.open("POST", "mailmenu.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
	 	}
	}
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send("t1="+t1+"&t2="+t2)
}

function ComprobarDatos() {
	var email = document.getElementById('mail');
	var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) {
		alert('introduce un email valido');
		email.focus
		return false;
	}
		    
	if (document.form.nombre.value == "" ){
		alert ( "Introduce tu nombre" );
		return false;
	}

	guardarDatos();

}