Stuff

   ++ $col[$arr['class']];   if ($col[$arr['class']]<=2)     $staff_table[$arr['class']]=$staff_table[$arr['class']]."<td class=embedded>&nbsp;</td>";   else   {     $staff_table[$arr['class']]=$staff_table[$arr['class']]."</tr><tr height=15>";     $col[$arr['class']]=0;   }