Need help with an if statement in my plugin please help

[demo7up]

I need to hide a plugin if user is not registered. how can i go about doing that in the plugin?

--------------- Added [DATE]1346964086[/DATE] at [TIME]1346964086[/TIME] ---------------

i figured it out

for those who may need this try this in you php code

if($vbulletin->userinfo['usergroupid'] == 5 OR $vbulletin->userinfo['usergroupid'] == 6 OR $vbulletin->userinfo['usergroupid'] == 7) OR $vbulletin->userinfo['usergroupid'] == 10)
{

your code here

}