// ler regulamento
function regAgree() {
if (document.promoInsc.promoReg.checked==true) {
	document.getElementById("promoInscButton").disabled=false;
	document.getElementById("promoInscButton").style.cursor = 'pointer';
	document.getElementById("promoInscButton").src='/images/buttons/promoInsc.gif';
} else {
	document.getElementById("promoInscButton").disabled=true;
	document.getElementById("promoInscButton").style.cursor = 'default';
	document.getElementById("promoInscButton").src = '/images/buttons/promoInsc-dis.gif';
	}
}

// conta caracteres
function charCount(counterID,counterValue) {
if (document.getElementById) {
	var exibeResultado = document.getElementById(counterID);
		exibeResultado.innerHTML = "<b>" +counterValue+"</b> caracteres disponíveis";
	}
}

// valida formulário
function promoInscSave() {
var promoResp = document.promoInscForm.promoResp;

if (promoResp.value=='') {
	document.getElementById("PREB").style.display = 'block';
	document.getElementById("PREBText").innerHTML = 'Por favor, responda a pergunta / preencha a frase da promoção.';
	promoResp.style.backgroundColor='#ffffcd';
	promoResp.focus();
	return false;
	} else {
		document.getElementById("PREB").style.display = 'none';
		document.getElementById("PREBText").innerHTML = '';
		promoResp.style.backgroundColor='';
	}
	document.promoInscForm.submit();
}