stoping animations, on standing, when there are more then one scripte linked together

key userID = NULL_KEY;

default
{
    state_entry()
    {
        llSitTarget( <0.0,0.0,0.001>, ZERO_ROTATION );
    }
    
    touch_start(integer total_number)
    {
        
    }
    
    changed(integer change)
    {
        if ( change & CHANGED_LINK )
        {
            key id = llAvatarOnSitTarget();
            if ( userID == NULL_KEY && id != NULL_KEY)
            {
                llSay(0, "sit detected - requesting permissions" );
                llRequestPermissions(id, PERMISSION_TRIGGER_ANIMATION);
            }
            else if ( userID != NULL_KEY && id == NULL_KEY )
            {
                llSay( 0, "user has stood" );
                llStopAnimation ( "atlas" );
                llResetScript();
            }
        }
    }
    
    run_time_permissions(integer perm)
    {
        if(perm & PERMISSION_TRIGGER_ANIMATION)
        {
            llSay( 0, "permissions granted" );
            llStopAnimation( "sit" );
            llStartAnimation( "atlas" );
            userID = llGetPermissionsKey();
        }
    }
}