PHP Color Row and introduce a column in a table

I have a PHP page, i need u put a new column in the table (the table is generated from a database mysql) is simple u need put a new column "POS" with numbers 1 to 20, i need i can modify this information if i want, example if i want 1 to 32 or 1 to 16 in the column.. so just do simple in the php code so i can edit it in the future, second thing i need u put diferent colors to my 4 first rows in my table and 4 colors in the last 4 rows in my table, i need u do this very simple so i can modify the php code and if i want remove some color or add more color to more rows i can do it easy.. is all, thanks.. check my images to more understanding.. i will select the bid of the most fast time of delivery, this a simple project... this the part of my php code than generate my table: if($divDisplay == "standings") uasort($standings_array, 'Compare_standings'); else ksort($standings_array); while (list ($key, $value) = each ($standings_array)) { $standings .= " <tr class="table_text" bgcolor="#F2F2F2" align="center" valign="middle"> <td style="text-align:left; font-weight:bold;"><img src="".$value["id"].'.png'."">&nbsp<a href="?opt=viewteam&id=".$value["id"]."&sid=".$season."">".$key."</a>&nbsp&nbsp<em><strong>DT</strong></em>&nbsp<img src="".$value["id"].'dt'.'.png'.""></td>"; if($divDisplay == "standings") { $standings .= " <td bgcolor="#dfdfdf">".$value["gp"]."</td> <td>".$value["w"]."</td> <td>".$value["d"]."</td> <td>".$value["l"]."</td> <td bgcolor="#dfdfdf">".$value["pts"]."</td> <td>".$value["gf"]."</td> <td>".$value["ga"]."</td> <td>".$value["gd"]."</td>"; } $standings .= " </tr>"; } if($standings == "") { $standings.= " <tr style="background-color:#FFFFFF; text-align:center;"> <td class="table_text" colspan="9">".$_LANG['cc_noteams']."</td> </tr>"; } $item_menu = new Menu; $item_menu->CreateMain($type = "standings"); $menu = $item_menu->get(); ob_start(); include("html/[login to view URL]"); $contents = ob_get_contents(); ob_end_clean(); return $contents; } ?>