function AJAX()
{
if(window.XMLHttpRequest) ajax = new XMLHttpRequest();
else ajax = new ActiveXObject("Microsoft.XMLHTTP");
return ajax;
}
function Carrega(url,tr)
{
ajax = AJAX();
ajax.onreadystatechange=function()
{
	if(ajax.readyState==4){
	if(ajax.status==200){
	document.getElementById("conteudo").innerHTML=ajax.responseText;;
	}else{
	if(tr=="br") document.getElementById("conteudo").innerHTML='<div id="status">Página em construção!</div>';
	else document.getElementById("conteudo").innerHTML='<div id="status">Page under construction!</div>';}
	}else{
	if(tr=="br") document.getElementById("conteudo").innerHTML='<div id="status"><img src="img/ajax.gif" />Carregando...</div>';
	else document.getElementById("conteudo").innerHTML='<div id="status"><img src="img/ajax.gif" />Loading...</div>';}
}
ajax.open("GET",url,true);
ajax.send();
}
function validaEmail(email)
{
var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
var check=/@[\w\-]+\./;
var checkend=/\.[a-zA-Z]{2,3}$/;
if(((email.search(exclude)!=-1)||(email.search(check))==-1)||(email.search(checkend)==-1)) return false;
else return true;
}
function assinarNewsletter(email,tr)
{
ajax=AJAX();
if(validaEmail(email)){
var url="php/assinar_newsletter.php?email="+email+"&tr="+tr;
ajax.onreadystatechange=function()
{
	if(ajax.readyState==4){
	if(ajax.status==200){
	document.getElementById('inner').innerHTML=ajax.responseText;
	}else{
	if(tr=="br") document.getElementById('inner').innerHTML='<div id="status">Página em construção!</div>';
	else document.getElementById('inner').innerHTML='<div id="status">Page under construction!</div>';}
	}else{
	if(tr=="br") document.getElementById('inner').innerHTML='<div id="status"><img src="img/ajax.gif" />Carregando...</div>';
	else document.getElementById('inner').innerHTML='<div id="status"><img src="img/ajax.gif" />Loading...</div>';}
}
ajax.open("GET",url,true);
ajax.send();
}else{
if(tr=="br") document.getElementById('inner').innerHTML="Email inválido!";
else document.getElementById('inner').innerHTML="Invalid email!";}
}
function excluirAssinatura(email,tr)
{
ajax=AJAX();
var erro=0;
if(email==''){
alert('Informe um email!');
erro=1;
}
if(erro==0){
var url="php/excluir_assinatura.php?email="+email+"&tr="+tr;
ajax.onreadystatechange=function()
{
	if(ajax.readyState==4){
	if(ajax.status==200){
	document.getElementById('inner').innerHTML=ajax.responseText;
	}else{
	if(tr=="br") document.getElementById('inner').innerHTML='<div id="status">Página em construção!</div>';
	else document.getElementById('inner').innerHTML='<div id="status">Page under construction!</div>';}
	}else{
	if(tr=="br") document.getElementById('inner').innerHTML='<div id="status"><img src="img/ajax.gif" />Carregando...</div>';
	else document.getElementById('inner').innerHTML='<div id="status"><img src="img/ajax.gif" />Loading...</div>';}
}
ajax.open("GET",url, true);
ajax.send();
}
}
function enviarEmail(nome,telefone,email,assunto,msg)
{
	if(nome!=""&&telefone!=""&&email!=""&&assunto!=""&&msg!=""){
	if(validaEmail(email)){
	var url="php/enviar_email.php";
	url=url+"?nome="+nome;
	url=url+"&telefone="+telefone;
	url=url+"&email="+email;
	url=url+"&assunto="+assunto;
	url=url+"&msg="+msg;
	ajax=AJAX();
	ajax.onreadystatechange=function(){
	if(ajax.readyState==4){
	if(ajax.status==200){
	document.getElementById("inner2").innerHTML=ajax.responseText;
	}else{
	document.getElementById("inner2").innerHTML='Desculpe. Tente novamente!';
	}
	}else{
	document.getElementById("inner2").innerHTML='Carregando...';
	}
	}
	ajax.open("GET",url,true);
	ajax.send();
	}else{
	document.getElementById("email2").style.border='1px solid red';
	return 0;
	}
	}else{
		alert('Preencha todos os campos!');
		return 0;
	}
}