function spoil(object) {
    if (object.parentNode.getElementsByTagName('div')[0].style.display == 'none')
        object.parentNode.getElementsByTagName('div')[0].style.display = 'block';
    else
        object.parentNode.getElementsByTagName('div')[0].style.display = 'none';
}

function CheckEmpty(object) {
    if (document.getElementById(object).value.length == 0)
        return true;
    else
        return false;
}