if(arg(1) == '1' || arg(1) == '2' || arg(1) == '3' || arg(1) == '4' || arg(1) == '5' || arg(1) == '6' || arg(1) == '7' || arg(1) == '8' || arg(1) == '10' || arg(1) == '11' || arg(1) == '13' || arg(1) == '47' || arg(1) == '16' || arg(1) == '17'|| arg(1) == '18'|| arg(1) == '41'|| arg(1) == '39')
{
$class="content_right";
}
else
{
$class="content_right1";
}
?>