// JavaScript Document

function newsFunction() {
	var btCadNews	= document.getElementById("btCadNews");
	var nome 		= document.getElementById("nome");
	var email 		= document.getElementById("email");
	var funcao		= document.getElementById("funcao");
	var acao		= null;	

	var srcOriginal = btCadNews.src;
	var onClickOriginal = btCadNews.onclick;
	
	
	if (nome.value.length < 3) {
		alert("Preencha seu nome.");
		alteraCor(nome);
		return false;
	}
	
	if (!checaMail(email.value)) {
		alert("Preencha seu e-mail corretamente.");
		alteraCor(email);
		return false;
	}
	
	if (funcao.checked) {
		acao = "cadastrar";
	} else {
		acao = "remover";
	}
	

	var url = "/inc/newsLetter.asp"
	var parametros = "nome=" + escape(nome.value) + "&email=" + escape(email.value) + "&act=" + acao
	var AjaxNews = criaAjax();
	AjaxNews.onreadystatechange=function() {
		if (AjaxNews.readyState == 1) {
			btCadNews.src="/images/home-btn-aguarde.jpg";
			nome.disabled = true;
			email.disabled = true;
		}
		
		if (Ajax.readyState == 4) {
			btCadNews.src = srcOriginal;
			btCadNews.onclick = onClickOriginal;
			nome.value = "";
			email.value = "";
			nome.disabled = false;
			email.disabled = false;
			alert(Ajax.responseText);
		}
		
	}
	
	AjaxNews.open("POST", url + randomico(), true);	
	AjaxNews.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	AjaxNews.setRequestHeader("Content-length", parametros.length);
	AjaxNews.setRequestHeader("Connection", "close");	
	Ajax.send(parametros);
										  



	
	
	
	
	
}