Some shortsale listing agents try to leave the door open, but not having a signed sales agreement. This process is not recomended because it confuses the negotiator at the bank because they are dealing with so many deals. More than likely the bank has not made a decision and is proceeding with foreclosure.
Either the listing agent has to get the attenition of the bank or you may try to buy after it goes to foreclosure sale, when the bank lists the property. You will most likley be competing with a lot of new buyers when the bank lists it, but it may work out.
First Weber Group
Certified Distressed PRoperty Expert