You will need to modify your postbit, for th eonline status to appear next to the username it should look like this
HTML Code:
<a class="bigusername" href="member.php?$session[sessionurl]u=$post[userid]">$post[musername]</a> $post[onlinestatus]
so seacrh in postbit legacy for
HTML Code:
]<a class="bigusername" href="member.php?$session[sessionurl]u=$post[userid]">$post[musername]</a>
and right after it add
HTML Code:
$post[onlinestatus]
then search for
HTML Code:
$post[onlinestatus]
and delete the second instance of it as the first instance will be your newly added one.