Logic problem in query

Hi I am new to mysql database So can one help to my problem to resolve. I hava table "eventdata" like below
deviceID accountID timestamp speedKPH address
--------- -------- ---------- ---------- ----------------- -------------
preva1 bolero 1359088786 8.4729 Ullalu Road

preva1 bolero 1359088796 0 Ullalu Road

preva2 bolero 1359088886 0 nice Road

preva3 bolero 1359088886 8.47 Ullalu Road

preva1 bolero 1359088986 0 nice Road

preva3 bolero 1359088986 8.4729 Ullalu Road

preva1 bolero 1359088996 31 Baneerugatta

preva1 bolero 1359088998 0 Kail roald
preva3 bolero 1359088786 32
preva1 bolero 1359088896 34 Bhel

preva2 bolero 1359088786 24 Ullalu Road

preva1 bolero 1359088766 0 nice Road
preva1 bolero 1359088789 0 Nayagara

Here i need output table will be like shown below
accountID deviceID timestamp1 timestamp2 Diffstp


preva1 bolero 1359088766 1359088789 23


preva1 bolero 1359088789 1359088796 7

preva1 bolero 1359088796 1359088987 191


preva1 bolero 1359088987 1359088998 11

preva1 bolero 1359088998

can any one help for me to do this