string name = "Tirea Kaliopov";
integer on=TRUE;
integer giSense;
default {

    touch_start(integer k) {
        if(on==TRUE)
        {
         giSense=llSensorRepeat(name, "", AGENT, 96.0, PI, 30);
        on=FALSE;
    }
    else if(on==FALSE)
    {
        llSensorRemove(giSense);
    }
}

    sensor(integer k) {

        llShout(0, "My owner is here!!!");
    }
    no_sensor() {
        llShout(0, "My owner is not here!!!");
    }

}