/* AJAX */

function getId(id){

	return document.getElementById(id);
	
}

function criaXMLHttp() {
if (typeof XMLHttpRequest != "undefined")
return new XMLHttpRequest();
else if (window.ActiveXObject){
var versoes = ["MSXML2.XMLHttp.5.0",
"MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0",
"MSXML2.XMLHttp", "Microsoft.XMLHttp"
];
}
for (var i = 0; i < versoes.length; i++){
try{
return new ActiveXObject(versoes[i]);
}catch (e) {}
}
throw new Error("Seu browser nao suporta AJAX");
}
var XMLHttp = criaXMLHttp();
XMLHttp.open("get", "info.txt", true);
XMLHttp.onreadystatechange = function () {
};
XMLHttp.send();

function setNewsletter(nome, email) {
	
var light 					= getId("newsletter");   //div de resposta

var XMLHttp = criaXMLHttp();

XMLHttp.open("get", "interface.php?email=" + email + "&nome=" + nome + "&action=" + 1, true);
XMLHttp.onreadystatechange = function () {
if (XMLHttp.readyState == 4)
if (XMLHttp.status == 200){
light.innerHTML = XMLHttp.responseText;
} else {
light.innerHTML = "Um erro ocorreu" + XMLHttp.statusText;
}
};
XMLHttp.send(null);
}
function getNewsletter() {
	
var light 					= getId("newsletter");   //div de resposta

var XMLHttp = criaXMLHttp();

XMLHttp.open("get", "interface.php?view=newsletter", true);
XMLHttp.onreadystatechange = function () {
if (XMLHttp.readyState == 4)
if (XMLHttp.status == 200){
light.innerHTML = XMLHttp.responseText;
} else {
light.innerHTML = "Um erro ocorreu" + XMLHttp.statusText;
}
};
XMLHttp.send(null);
}


/* FIM DA REQUISICAO ASSINCRONA */

function NewsletterApp() {
		
	var NewsletterButton	= getId("newsletterButton");
	var NewsletterEmail		= getId("newsletterEmail");
	var NewsletterNome		= getId("newsletterName");
	
	var privateButton		= getId("privateButton");
	var privateCpf			= getId("privateCpf");
	var privatePassword		= getId("privatePassword");
	

	NewsletterButton.onclick	= function(){
									if(NewsletterNome.value == "") alert("campo nome em branco");
									else if(NewsletterEmail.value == "") alert("campo email em branco");
									else{	setNewsletter(NewsletterNome.value, NewsletterEmail.value); }
								  }
	privateButton.onclick	= function(){
										if(privateCpf.value == "") alert("campo cpf em branco");
										else if(privatePassword.value == "") alert("campo senha em branco");
										else{	document.login.submit(); }
									  }

}