tr.top    { background: #33CCFF; font-family: sans-serif }
tr.bottom { background: #CC99FF }
tr.even   { background: #b8b8b8 }
tr.odd    { background: #ffffff }

.redcells
{
   background: #ff0000;
   color: #ffffff;
}

.yellowcells
{
   background: #eeee00;
   color: #000000;
}

.greencells
{
   background: #00cc00;
   color: #000000;
}