function cancelManutencaoExtraInfoClick(obj){
    var target = obj.parentNode.parentNode;
    target.onclick = null;
}

function showManutencaoExtraInfo(id){
    var extra_info = document.getElementById("manutencao_extra_info_" + id);

    try {
        extra_info.style.display = (extra_info.style.display == "none")?"table-row":"none";
    } catch (exception) {
        extra_info.style.display = "block";
    }
}