// You should only have to change the liftAmount to the distance
// you want the lift to move.


integer liftAmount = 4; // change this to the amount you
vector Top;                         // want to go up/down
vector Bottom;
float Speed = 0.2;
integer isUp = FALSE; // Stores whether the object is up

default
{
    state_entry()
    {
        llSitTarget(<0,0,1>,<0,0,0,1>);
        llSetSitText("Lift");
        Bottom = llGetPos();

    }
    touch_start(integer total_number)
    {
        if(llGetOwner() == llDetectedKey(0))
        {
            Bottom = llGetPos();
            Top = Bottom + <0, 0, liftAmount>;
            llOwnerSay("Bottom Recorded");
        }
    }

    timer()
    {
        vector Place = llGetPos();
        if(isUp == FALSE)
        {
            llSetPos(llGetPos() + <0, 0, (Speed)>);
            if(Top == Place);
            {
                isUp = TRUE;
                llSetTimerEvent(0);
                llSay(0,"Top Floor");
            }
        }
        else
        {
        llSetPos(llGetPos() + <0, 0, -1*(Speed)>);
            if(Place == Bottom)
            {
                llSay(0,"Bottom Floor");
                isUp = FALSE;
                llSetTimerEvent(0);
            }
        }

    }
    changed(integer change)
    {
        if(change & CHANGED_LINK)
        {
            key avataronsittarget = llAvatarOnSitTarget();
            if( avataronsittarget != NULL_KEY )
            {
                if ((llGetPermissions() & PERMISSION_TRIGGER_ANIMATION) && llGetPermissionsKey() == avataronsittarget) {
                    llStopAnimation("sit");
                    llStartAnimation("stand");
                    llSetTimerEvent(0.1);
                } else {
                    llRequestPermissions(avataronsittarget, PERMISSION_TRIGGER_ANIMATION);
                }
            }
        }
    }


    run_time_permissions(integer perm)
    {
        if(perm)
        {
            // Place the code here!
            llStopAnimation("sit");
            llStartAnimation("stand");
            llSetTimerEvent(0.1);
        }
    }
}