function valida(){
	if(document.getElementById('txtNoticiaPesq').value == ""){			
			alert("Por favor, preencha o campo de pesquisa.");
			document.getElementById('txtNoticiaPesq').focus();
			return false;
	}else{
		document.getElementById('ano').value = 0;
		document.getElementById('mes').value = 0;
	}	
	return true;
}

function pesquisar(){
	if(valida()){
		document.getElementById('pesqNoticias').action = "/noticias";
		document.getElementById('pesqNoticias').submit(); 
	}
}