function objetoAjax(){
	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 newsletter(){


var email = document.getElementById('email_news').value;

if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))) 
    { 
        alert("Favor informar um email válido.") 
       document.getElementById('email_news').focus() 
        return (false) 
    } else{


	ajax=objetoAjax();
	ajax.open("GET", "modulos/newsletter/incluir.php?email="+email);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			
						if (ajax.responseText=="erro"){

			alert("Ocorreu um problema.");

						}else{

document.getElementById('content-news-block-input').innerHTML = "<input type='text' id='email_news' size='21' value='"+ajax.responseText+"'>"

						}
						
			}
	}
	ajax.send(null)
		

	}


}

/* Criaado passando por parametro o email */
function newsletterConvite(emailIn){


var email = emailIn;// document.getElementById('email_news').value;

if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))) 
    { 
        alert("Favor informar um email válido.") 
       document.getElementById('email_news').focus() 
        return (false) 
    } else{


	ajax=objetoAjax();
	ajax.open("GET", "modulos/newsletter/incluir.php?email="+email+"&tipo=convite");
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			
						if (ajax.responseText=="erro"){

			alert("Ocorreu um problema.");

						}else{
							alert(ajax.responseText);
						}
						
			}
	}
	ajax.send(null)
		

	}


}