<script type="text/javascript">
$(function() {
    var widths = new Array;

    /* get max column widths from tables */
    $('table').each(function() {
        i = 0;
        $(this).find('thead th').each(function() {
            w = $(this).width();

            if (!widths[i]) {
                widths[i] = 0;
            }
            if (w > widths[i]) {
                widths[i] = w;
            }
            ++i;
        });
    });

    /* now that we have got the max column widths, apply them
     * to all tables so that the columns line up
     */
    $('table').each(function() {
        i = 0;
        $(this).find('thead th').each(function() {
            $(this).width(widths[i++]);
        });
    });
});
</script>