if controls.press("l") then
        for i= imageposition-1,1,-1 do
            if files.ext(imagesdirectory[i].name) == "png" or files.ext(imagesdirectory[i].name) == "jpg" or
            files.ext(imagesdirectory[i].name) == "jpeg" or files.ext(imagesdirectory[i].name) =="gif" then
            currentimage:free()
            currentimage=image.load(imagesdirectory[i].name);
            imageposition=i
            imgx=240-currentimage:width()/2
            imgy=136-currentimage:height()/2
            imgw=currentimage:width()
            imgh=currentimage:height()
            break
        end
    end
end
if controls.press("r") then
    for i= imageposition+1,#imagesdirectory do
            if files.ext(imagesdirectory[i].name) == "png" or files.ext(imagesdirectory[i].name) == "jpg" or
            files.ext(imagesdirectory[i].name) == "jpeg" or files.ext(imagesdirectory[i].name) =="gif" then
            currentimage:free()
            currentimage=image.load(imagesdirectory[i].name);
            imageposition=i
            imgx=240-currentimage:width()/2
            imgy=136-currentimage:height()/2
            imgw=currentimage:width()
            imgh=currentimage:height()
            break
        end
    end
end