var args3_ = new Array ();
	 args3_[0]='nombre';
	 args3_[1]='apellidos';
	 args3_[2]='email';
	 args3_[3]='resultado'; 

	 var args4_ = new Array ();
	 args4_[0]='emailnews';


function ajaxFunction() {
var xmlHttp;
try {
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
return xmlHttp;
} catch (e) {
// Internet Explorer
try {
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
return xmlHttp;
} catch (e) {
try {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
return xmlHttp;
} catch (e) {
alert("Tu navegador no soporta AJAX!");
return false;
}}}
}

function Enviar(_pagina,capa) {
var
ajax;
ajax = ajaxFunction();

ajax.open("GET", "escribeunacarta/"+_pagina, true);

ajax.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");
ajax.onreadystatechange = function()
{

if (ajax.readyState == 4)
{
if (ajax.status==200)
{
document.getElementById(capa).innerHTML =
ajax.responseText;

}}}
ajax.send(null);
}

    
function region( ) {
var ajax;
var capa="marcor";
var _pagina=document.form3.id_zona.value;

document.getElementById(capa).innerHTML ="<img src='escribeunacarta/images/ajax-loader.gif'>";
 
ajax = ajaxFunction();

ajax.open("GET", "escribeunacarta/region"+_pagina+".php", true);

ajax.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");

ajax.onreadystatechange = function()
{

if (ajax.readyState == 4)
{
if (ajax.status==200)
{
document.getElementById(capa).innerHTML =
ajax.responseText;
document.getElementById("marcodatos").style.visibility = 'visible';
}}}
ajax.send(null);
} 

function datos(){
	document.getElementById("marcodatos").style.visibility = 'visible';
	 
}


function comuna( ) {
var ajax;
var capa="marcor";
var _comuna=document.form3.nombre_comuna.value;

if (_comuna==""){
		alert('Ingrese un nombre de comuna');
		return ;
}

document.getElementById(capa).innerHTML ="<img src='escribeunacarta/images/ajax-loader.gif'>";
 
ajax = ajaxFunction();

ajax.open("GET", "escribeunacarta/comunadiputados.php?comuna="+_comuna, true);

ajax.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");

ajax.onreadystatechange = function()
{

if (ajax.readyState == 4)
{
if (ajax.status==200)
{
document.getElementById(capa).innerHTML =
ajax.responseText;
document.getElementById("marcodatos").style.visibility = 'visible';
}}}
ajax.send(null);
} 

function datos(){
	document.getElementById("marcodatos").style.visibility = 'visible';
}