function graph_line (txt, gw, fs, bh, bw) {
 
    document.write
       ('<tr>' +
        '  <td align="right" nowrap valign="baseline" style="font-size: ' + fs + '">' + 
        '    <i>' + txt + '</i>:&nbsp;</td>' +
        '  <td align="right" nowrap valign="baseline" style="font-size: ' + fs + '">' + 
             bw + '%&nbsp;</td>' +
        '  <td nowrap align="left" style="background-color: silver; font-size: ' + fs + '; width: ' + gw + '">');
    
    if (bw != 0) {
        document.write
           ('<img border="0" src="images/bar.gif" width="' + bw + '%" align="middle" style="height: ' + bh + '">');
    }

    bw = 100 - bw;
    if (bw > 0) {
        document.write
           ('<img border="0" src="images/barbg.gif" width="' + bw + '%" align="middle" style="height: ' + bh + '">');
    }
    
    document.write ('</td></tr>');
}

function ratings_graph (gw, fs, bh, b1,b2,b3,b4,b5) {

    document.write ('<table border="0" cellspacing="1" cellpadding="0">');
    graph_line ("Great!", gw, fs, bh, b1);
    graph_line ("Good", gw, fs, bh, b2);
    graph_line ("It was OK", gw, fs, bh, b3);
    graph_line ("Not very good", gw, fs, bh, b4);
    graph_line ("Terrible", gw, fs, bh, b5);
    document.write ('</table>');

}

