function equalizeColumnHeights( containerId, rowClass, colClass, heightAdjustment )
{
    var elementArray = document.getElementById( containerId ).getElementsByTagName('div');

    for ( var x = 0 ; x < elementArray.length ; x++ )
    {
        if ( elementArray[x].className == rowClass )
        {
            var rowArray = elementArray[x].getElementsByTagName('div');
            var rowHeight = elementArray[x].offsetHeight;

            for ( var y = 0 ; y < rowArray.length ; y++ )
            {
                if ( rowArray[y].className == colClass )
                {
                    rowArray[y].style.height = rowHeight + heightAdjustment + 'px';
                }
            }
        }
    }
}