function exibirEsconder(id){
	if (id.style.display=="none"){
		id.style.display="block";
	}
	else {
		id.style.display="none";
	}
}
// Valida campos form de contato
function validarEmailContato(pField){
	if (pField.value) {
		if (!pField.value.match(/^([a-zA-Z0-9_\-])([a-zA-Z0-9_\-\.]*)@(\[((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}|((([a-zA-Z0-9\-]+)\.)+))([a-zA-Z]{2,}|(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\])$/)) {
			emailInvalidoContato.style.display="block";
			return false;
		} else {
			return true;
		}
	} else {
		return true;
	}
}
function validaFormContato(){
	if(!document.contato.nome.value){
		nomeBrancoContato.style.display="block";
		return false;
	}
	if(!document.contato.email.value){
		emailBrancoContato.style.display="block";
		return false;
	}
	if(!document.contato.mensagem.value){
		msgBrancoContato.style.display="block";
		return false;
	}
	if(!validarEmailContato(document.contato.email)){
		return false;
	}
	return true;	
}
// Valida campos form de news
function validarEmailNews(pField){
	if (pField.value) {
		if (!pField.value.match(/^([a-zA-Z0-9_\-])([a-zA-Z0-9_\-\.]*)@(\[((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}|((([a-zA-Z0-9\-]+)\.)+))([a-zA-Z]{2,}|(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\])$/)) {
			emailInvalidoNews.style.display="block";
			return false;
		} else {
			return true;
		}
	} else {
		return true;
	}
}
function validaFormNews(){
	if(!document.newsletter.nome.value){
		nomeBrancoNews.style.display="block";
		return false;
	}
	if(!document.newsletter.email.value){
		emailBrancoNews.style.display="block";
		return false;
	}
	if(!validarEmailNews(document.newsletter.email)){
		return false;
	}
	return true;	
}