// drawPercentBar()
  // Written by Matthew Harvey (matt AT unlikelywords DOT com)
  // (http://www.unlikelywords.com/html-morsels/)
  // Distributed under the Creative Commons
  // "Attribution-NonCommercial-ShareAlike 2.0" License
  // (http://creativecommons.org/licenses/by-nc-sa/2.0/)
  function drawPercentBar(width, percent, color, background)
  {
    var pixels = width * (percent / 100);
    if (!background) { background = "none"; }

    document.write("<div style=\"position: relative; line-height: 1em; background-color: "
                   + background + "; border: 1px solid #FFFFFF; width: "
                   + width + "px\">");
    document.write("<div style=\"height: 1.5em; width: " + pixels + "px; background-color: "
                   + color + ";\"></div>");
    document.write("<div style=\"position: absolute; text-align: center; padding-top: .25em; width: "
                   + width + "px; top: 0; left: 0\">" + percent + "%</div>");
    document.write("</div>");
  }