why this simple clientside hud dosent works?

[Choy123]

cl_NDK.lua source :
[lua]
//Notnow=0
SP=vgui.Create("DFrame")
SP:SetPos(0,0)
SP:SetSize(ScrW(),ScrH())
SP:SetVisible(true)
SP:ShowCloseButton( false )
SP:SetDraggable( true )
SP:SetScreenLock( true )
SP:MakePopup(true)
function SP:OnCursorMoved()
//if Notnow == 0 then
// Notnow=1
datastream.StreamToServer("SSHandler",{1})
timer.Simple(1,function() Notnow=0 end)
//end
end
[/lua]

I don't know whole basic of lua. please there must be big simple fault.