function os_rank( Font_size)
{
document.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'>")
document.write("<tr><td><font size='" + Font_size + "'>Windows XP</font></td><td align='right'><font size='" + Font_size + "'>56.2%</font></td></tr>")
document.write("<tr><td><font size='" + Font_size + "'>Windows Vista</font></td><td align='right'><font size='" + Font_size + "'>23.5%</font></td></tr>")
document.write("<tr><td><font size='" + Font_size + "'>Windows NT</font></td><td align='right'><font size='" + Font_size + "'>10.8%</font></td></tr>")
document.write("<tr><td><font size='" + Font_size + "'>Macintosh OS X</font></td><td align='right'><font size='" + Font_size + "'>5.4%</font></td></tr>")
document.write("<tr><td><font size='" + Font_size + "'>Windows 2000</font></td><td align='right'><font size='" + Font_size + "'>3.0%</font></td></tr>")
document.write("</table>")
}