I dropped my env touch in the toilet.. help!!!?

so like a half an hour ago i dropped my phone in the toilet i grabbed it out but while it was in the tiolet the screan was still on. after i took it out i took the battery out and it is now in rice is there anything i can do and how long do i keep it in for, and i have anouther battery so should i put that battery in first and turn it on.. i just need help.. when i took the battery out the inside part that faces the phone when you put the battery in wasnt wet, if that means anything...ugh please help!!!:/