Charging while connected to pc

[se7anone]

hai, i have samsung x660 and usb data cable. when i was connected my phone to the pc it was get charging. i want to know, 'it will damage my phone? if yes how to stop it from charging?. i use gprs from this phone for long time.And i charged my phone(using charger) for only 3 times in past two months.

[cr_az2]

se7anone, all is ok, don`t worry