local js = require "js"
local window = js.global
local document = window.document

local function sleep(delay)
    local co = assert(coroutine.running(), "Should be run in a coroutine")

    window:setTimeout(function()
        assert(coroutine.resume(co))
    end, delay*1000)

    coroutine.yield()
end


local menu = document:querySelector("#menu")
menu:addEventListener('click', function()
    
    if document:getElementById('MenuScreen').className == "Overlay" then
        document:getElementById('MenuScreen').className = "OverlayShow" 
        document:getElementById('SearchScreen').className = "SearchOverlay" 

    else
        document:getElementById('MenuScreen').className = "Overlay" 
    end
end)


local menu = document:querySelector("#osearch")
menu:addEventListener('click', function()
    
    if document:getElementById('SearchScreen').className == "SearchOverlay" then
        document:getElementById('SearchScreen').className = "SearchOverlayShow"
        document:getElementById('MenuScreen').className = "Overlay"  
    else
        document:getElementById('SearchScreen').className = "SearchOverlay" 
    end
end)

function callfunction()
    local mf = coroutine.create(function()

        
    end)
    coroutine.resume(mf)
end

coroutine.wrap(function()
  print 'Hey!'
  sleep(2)
  print 'Glad to see you here!'
end)()