string anim = "tail" ;

default {

    state_entry() {

        llRequestPermissions(llGetOwner(), PERMISSION_TRIGGER_ANIMATION);
    }

    on_rez(integer doesntmatter) {

        llRequestPermissions(llGetOwner(), PERMISSION_TRIGGER_ANIMATION);
    }

    run_time_permissions(integer perm) {

        if(perm) {

          llListen(600,"","","");
        }
    }

    listen(integer channel, string name, key id, string message) {

        if(llGetOwnerKey(id) == llGetOwner()) {

            if (message=="on") {

                llStartAnimation(anim);
                llSleep(6);
                llStopAnimation(anim);
            }
        }
    }
}