Yes there is go to your functions.php page and in your sidebar function place this(right before the $sidebar = "):
PHP Code:
$group = getgroup();
$cancp = cancp($group);
if($cancp == "yes"){
$admin = "<a href='admin.php'><b>ACP</b></a><br>";
}
else{
$admin = "";
}
Then within the &sidebar = ", place this:
Hope I answered your question.