463424 Ajax and PHP script fixes

I need someone to fix the following issues on my site: [login to view URL] -when I was in the auction and it was counting down to start it went negative and I had to refresh to have the time be correct ... -for some reason when I would hit the bid button it made me sign in a couple times even though I was already logged in -when I hit the bid button my bid did not register but if I went to the homepage it showed that I was the high bidder. -After winning the auction I didn't really have the opportunity to pay the end auction price. I did receive an email stating that I won but did not have a link to pay or anything. -A couple times when I clicked on the test auction that I created it actually went into one of the other auctions on the upcoming auctions