Sorry for waiting, but this is my 1st part:
client-sided?
function setAdminSkin()
if hasObjectPermissionTo(thePlayer, "command.ban", true) then
setPlayerSkin(thePlayer, 286)
outputChatBox("Welcome admin, your skin has been set to: Admin server skin.",thePlayer)
end
end
meta.xml
<meta>
<info author="Shazzimal" name="SkinChooser" disc="When you log on, you can select a skin, admin does automaticaly get skin ID286." Version="1.0.0"/>
<script src="client.lua" type=client/>
</meta>