function toggleDisplay(me, inline)
{
    var el = document.getElementById(me);

    if (el.style.display == "block" || el.style.display == "inline")
    {
        el.style.display="none";
    }
    else
    {
        if (inline == undefined)
        {
            el.style.display="block";
        }
        else
        {
            el.style.display="inline";
        };
    }
}


function toggleDisplayRadio(radioSource, destDiv, inline)
{
    sourceRadioA = document.getElementById(radioSource);
    destDivA = document.getElementById(destDiv);

    if (sourceRadioA.checked)
    {
        destDivA.style.display = "none";
    }
    else
    {
        if (inline == false)
        {
            destDivA.style.display = "block";
        }
        else
        {
            destDivA.style.display = "inline";
        };
    };
}


function setVisible(me, inline)
{
    var el = document.getElementById(me);

    if (inline == undefined)
    {
        el.style.display="block";
    }
    else
    {
        el.style.display="inline";
    };
}


function setInvisible(me)
{
    var el = document.getElementById(me);

    el.style.display="none";
}


function show_hide_column(col_no, table_id)
{
    var tbl  = document.getElementById(table_id);
    var rows = tbl.getElementsByTagName('tr');

    for (var row=0; row<rows.length; row++)
    {
        var cels = rows[row].getElementsByTagName('td');

        if (cels[col_no].style.display == 'none')
        {
            cels[col_no].style.display = 'block';
        }
        else
        {
            cels[col_no].style.display = 'none';
        };
    };
}