need help running game

i downloaded the thunderms and the maplestory.exe and i have extracted the files into the folder.
and i clikc on the thunderms to run the game , it says

unable to connect to the login server
either u are not online or the server is going through a server check.
please check the maplestory homepage for more information.

im stuck here.
the prob lies wif me?

The server is currently offline.
Check "Server status" sometimes...

~closed~