// Valida news
function validafrmNewsletter(formulario)
{   
	
    if(!verificaemailNews(document.getElementById("emailnews").value)) 
	{   
		alert('Voce deve informar corretamente o campo de e-mail!');
        document.getElementById("emailnews").focus();
        return;
    }	
	EnviaNewsletter(); // Chama método AJAX para envio (função em ajax.js)
	frmNewsletter.reset();
}

// Envia Indique Site
function EnviaNewsletter(){
	document.getElementById("urlNewsletterEnviado").innerHTML = "";
	var emailnews = document.getElementById('emailnews').value;
	var nomenews = document.getElementById('nomenews').value;
	var url= "newsletter_enviar.php?emailnews="+emailnews+"&nomenews="+nomenews;
	ajaxHTML('urlNewsletterEnviado', url, 'imgs/ajax.gif', '16', '16');
}

// Configura campos
function NewsletterLimpaCampo(campo){
	document.getElementById(campo).value = "";
}

function verificaemailNews(email) 
{       
	var achou_ponto=false;
    var achou_arroba=false;
    var achou_caracter=false;
    for (var i=0; i<email.length; i++) 
	{
		if (email.charAt(i)=="@") achou_arroba=true;
        else if (email.charAt(i)==".") achou_ponto=true;
        else if (email.charAt(i)!=" ") achou_caracter=true;
    }
    return (achou_ponto & achou_arroba & achou_caracter);
}