if you want alternating colors.
<TABLE>
<?php
$color="red"
for ( $number=0; $number<10; $number++ )
{
echo "<TR><TD bgcolor=\"".$color."\">";
echo "line ".$number;
echo "</TD></TR>";
if ( $color == "red" )
{
$color="blue";
}
else
{
$color="red";
}
}
?>
</TABLE>
Mark.