broken function

function as(eid,t)
    term.clear()
    paintutils.drawFilledBox(1,1,51,19,colors.lightBlue)
    paintutils.drawLine(1,1,51,1,colors.blue)
    term.setBackgroundColor(colors.blue)
    term.setCursorPos(1,1)
    print("LUAOS App Store")
    local choice1 = "Exit"
    local choice2 = "Download"
    local choice3 = "Download"
    local x1, y1 = 47,1
    local x2, y2 = 43,2
    local x3, y3 = 43,3
    term.setCursorPos(x1,y1)
    write(choice1)
    term.setBackgroundColor(colors.lightBlue)
    term.setCursorPos(x2,y2)
    write(choice2)
    term.setCursorPos(x3,y3)
    write(choice2)
    term.setCursorPos(1,2)
    print("Network Manager:Manages Computer Networks")
    term.setCursorPos(1,3)
    print("Server Manager:Manages Server Networks")
    while true do
        local event, button, cx, cy = os.pullEvent()
        if event == "mouse_click" then
            if cx >= x1 and cx < choice1:len() and cy == y1 and button == 1 then
                ag(eid,t)
                break
            else if cx >= x2 and cx < choice2:len() and cy == y2 and button == 1 then
                ad("network_manager",eid,t)
                break
            else if cx >= x3 and cx < choice3:len() and cy == y3 and button == 1 then
                ad("server_manager",eid,t)
                break
            end
            end
            end
        end
    end
end