board(handy,varargin)

function board(handy,varargin)

global lhands LockerKey;

ii=varargin{2};

LockerKey(ii)=mod(1+LockerKey(ii),10);
cdata=imread([int2str(LockerKey(ii)),'.tif']);
set(lhands(ii),'cdata',cdata);

if ii-1>0,
    LockerKey(ii-1)=mod(1+LockerKey(ii-1),10);
    cdata=imread([int2str(LockerKey(ii-1)),'.tif']);
    set(lhands(ii-1),'cdata',cdata);
end

if ii+1<5,
    LockerKey(ii+1)=mod(1+LockerKey(ii+1),10);
    cdata=imread([int2str(LockerKey(ii+1)),'.tif']);
    set(lhands(ii+1),'cdata',cdata);
end

if sum(LockerKey)==0, 
    msg={'You Cracked it...!'};
    [braindata brainmap]=imread('brain.jpg');
    msg_handle=msgbox(msg,'Gotcha!!!...','custom',braindata,brainmap);                        
    pause(1);
    close(msg_handle);
end