float fTimer = 0.2;
string sAnimation = "sit";
integer iANIMATING = FALSE;
default
{
    state_entry()
    {
        llRequestPermissions(llGetOwner(), PERMISSION_TRIGGER_ANIMATION);
    }

    run_time_permissions(integer perm)
    {
        if (perm & PERMISSION_TRIGGER_ANIMATION)
        {
            state loaded;
        }
    }
}
state loaded
{
    state_entry()
    {
        llSetTimerEvent(fTimer);
    }
    on_rez(integer start_param)
    {
        llResetScript();
    }
    timer()
    {
        if (llGetAgentInfo(llGetOwner()) & AGENT_MOUSELOOK)
        {
            if (iANIMATING == FALSE)
            {
                llStartAnimation(sAnimation);
                iANIMATING = TRUE;
            }
        }
        else
        {
            if (iANIMATING == TRUE)
            {
                llStopAnimation(sAnimation);
                iANIMATING = FALSE;
            }
        }
    }
}