Help please :)

//i have 2 scripts lever and power button, i want the lever to check if power on then work inf power off then do not work, could //anybody help me

//lever script

integer swing=1;
integer swing= 1;


integer c;
integer not_detected;

default
{
    state_entry()
    {
    }

    on_rez(integer start_param)
    {
        llResetScript();
    }
    touch_start(integer total_num)
    {
        llPlaySound("lever", 1.0);
        llSleep(1.7);
        llPlaySound("takeoff bell", 1.0);
        llSleep(1.5);
        rotation rot = llGetLocalRot();
        rotation delta = llEuler2Rot(<-PI/4*swing,0,0>);
        rot = delta * rot;
        llSetLocalRot(rot);
        llSleep(0.25);
        rot = delta * rot;
        llSetLocalRot(rot);
           llPlaySound("Tardis Takeoff", 1);
        llSay(12,"takeoff");
          llSay(0,"takeoff");
         llSetText("Dematerialising...", <1,1,1>, 1.0);
         llSleep(9.3);
         llLoopSound("inflight", 6.0);
         llSetText("In Transit", <1,1,1>, 1.0);
        state open;

    }
}

state open
{
    touch_start(integer total_num)
    {
        //llTriggerSound("tardis door close",9.9);
        rotation rot = llGetLocalRot();
        rotation delta = llEuler2Rot(<PI/4*swing,0,0>);
        rot = delta * rot;
        llSetLocalRot(rot);
        llSleep(0.25);
        rot = delta * rot;
        llSetLocalRot(rot);
        llSay(12,"land");
        llSay(0,"land");
        llPlaySound("tardis2", 1);
        llSetText("Materialising...", <1,1,1>, 1.0);
        llSleep(6.0);
        llSetText("Landed", <1,1,1>, 1.0);

        state default;
    }
}

//and power button script


integer swing= -1;


integer c;
integer not_detected;

default
{
    state_entry()
    {
    }

    on_rez(integer start_param)
    {
        llResetScript();
    }
    touch_start(integer total_num)
    {
        llSleep(2.0);
        llPlaySound("powering up", 1);
        llSetText("Powering up....", <1,1,1>, 1.0);
        llSleep(2.5);
        llSetText("Power On", <1,1,1>, 1.0);
        llSleep(5.0);
        llLoopSound("power",1.0);
        llSleep(2.0);
        state open;
    }
}

state open
{
    touch_start(integer total_num)
    {
        llSleep(2.0);
        llPlaySound("powering down", 1);
        llSetText("Powering Down....", <1,1,1>, 1.0);
        llSleep(2.5);
        llSetText("Power Off", <1,1,1>, 1.0);

        state default;
    }
}

//i was told to use this script to help me but im not sure how to do it

integer on;


default
{
    state_entry()
    {
        //start state here
        on = 1;
    }

    touch_start(integer total_number)
    {
        if(on == 1)
        {
            //do something
            on = 0;
        }
        else
        {
            //do something else
            on = 1;
        }
    }
}