UK VISA

can anyone tell me or advice me on anything relating getting a student visa for a premasters programme ,i have got an unconditional offer to study a premasters for a duration of nine months in buisness in the UK in sept 2010 afterwhich i will be guaranteed an offer into the masters programme which will be for about 12 months . ,i dont know what to expect in terms of lenght of stay (will i be allowed to stay for just the premasters or will the visa allow me to extend for the masters too )and other important documents i need to present .


your suggestion is welcome

1st u'll be granted 2 yrs after which u apply for an extension through the home office in the U.K whenever the masters is to begin.visit uk border agency website 4 detailed info. google search as i can't recall the website.
Good Luck