setting values and percentages

[richard]

with out the brackets you rely on the "operator precedence" order that the compiler will use , its often not what you really want . best bet is to always use brackets it eliminates the doubt

ps I typed reply #6 wrong left the closing brackets after 100's out
should be
If ((maxbright * 100)/255 =0 ) or ( (maxbright * 100)/255 <10 ) then