Buttons not working

local devices=peripheral.getNames()
local monitors={}

local function monitorFind()

monitors={}
for _,side in pairs(devices) do
    if peripheral.getType(side)=="monitor" then table.insert(monitors,peripheral.wrap(side)) end
end

end

local function checkClickPosition(mouseWidth,mouseHeight)
        if mouseWidth >= 1 and mouseWidth <= 8 and mouseHeight == 2 then
                        rs.setOutput("bottom",true)
    elseif mouseWidth >= 1 and mouseWidth <= 8 and mouseHight == 4 then
                        rs.setOutput("bottom",false)
        end
end

local function monitorDraw(monitor)
        monitor.clear()
        monitor.setCursorPos(1,1)
        local w,h=monitor.getSize()
        monitor.setBackgroundColour((colours.lime))
        monitor.setCursorPos(2,2)
        monitor.write("CLOSE")
        monitor.setCursorPos(2,4)
        monitor.write("OPEN ")
        monitor.setBackgroundColour((colours.black))
end

--Body

rs.setOutput("bottom", true)

monitorFind()

for index,mon in pairs(monitors) do
    monitorDraw(mon)
end

repeat
        event,p1,p2,p3 = os.pullEvent()
        if event=="monitor_touch" then
                checkClickPosition(p2,p3)
        end
until event=="char" and p1==("x")