function showHideSelect(select)
{
    var objSelect = document.getElementById(select);
    objSelect.style.display = (objSelect.style.display == 'block') ? 'none' : 'block';
}

function validAndHide(txt, obj, input, select)
{
    document.getElementById(input).value = txt;
    obj.parentNode.parentNode.style.display = 'none';
    document.getElementById(select).innerHTML = obj.innerHTML;
}