rednet:53: Expected number

So im righting a login program where i have a server computer but im geting the error "ednet:53: Expected number" i know its not the prettiest but it a work in progress

her is my code:

server: http://pastebin.com/HngPER89

client: http://pastebin.com/biKS9PSK

At line four of the client we have:

local server_id = "14" -- the server id --

That saves the text "14" as a string ("a collection of characters") in the variable "server_id".

You want:

local server_id = 14 -- the server id --