Support Screen issue please help

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http://androidforums.com – So I woke one morning after a night of drinking and found my s3 in a little pile of water on night stand..wasnt too bad seemed fine but wouldnt come on so I put it on charger and it started making a lot of static noises and wouldn't come on. I thought it was done for but before I paniced I just let it dry all day next to my room heater.. hours later I actually got it to come on and everything works now except the screen while I'm on the phone..I can't access it at all so now when I make a call and it goes to someone's voicemail I can't hang up..has anybody had this problem? Will a factory rese (General)