Elevator Control - GalacticCraft

function default()
m = peripheral.wrap("right")
m.clear()
m.setTextColor(colors.blue)
m.setCursorPos(1,1)
m.write("GalacticCraft")
m.setCursorPos(1,2)
m.write("Agency Floors:")
m.setTextColor(colors.white)
m.setCursorPos(1,4)
m.write(" Space Station")
m.setCursorPos(1,5)
m.write(" -Block Lvl 1200")
m.setCursorPos(1,7)
m.write(" 3rd - Launch Pads")
m.setCursorPos(1,9)
m.write(" 2nd - Workshop")
m.setCursorPos(1,11)
m.write(" Lobby")

end

while true do
default()
  event,side,x,y = os.pullEvent()
  if event == "monitor_touch" then
        if y == 4 then
                rednet.open("back")
                rednet.broadcast("SPACE")
                m.setTextColor(colors.red)
        m.setCursorPos(1,4)
        m.write(" Space Station")
        m.setCursorPos(1,5)
        m.write(" -Block Lvl 1200")
                m.write(" 3rd - Launch Pads  ")
                sleep(2)
        else if y == 7 then
                rednet.open("back")
                rednet.broadcast("3g")
                m.setTextColor(colors.red)
        m.setCursorPos(1,7)
        m.write(" 3rd - Launch Pads")
                sleep(2)
        else if y == 9 then
                rednet.open("back")
                rednet.broadcast("2g")
                m.setTextColor(colors.red)
        m.setCursorPos(1,9)
        m.write(" 2nd - Workshop")
                sleep(2)
        else if y == 11 then
                rednet.open("back")
                rednet.broadcast("Lg")
                m.setTextColor(colors.red)
        m.setCursorPos(1,11)
        m.write(" Lobby")
                sleep(2)

        end
        end
        end
        end
        end
end