Accounting / bookkeeping

I need an accounting software just like quick books that will be able to 1. manage different location invoicing,income and expenses with inventory. 2. the data file will be hosted online if need be. with periodic synchronization from the desktop web connector of the software. [login to view URL] administrator will have the capability of logging in on line to monitor transactions and reports online or from his own desktop etc. This is a brief description of what i want, it is now left for the coder to come up with a a perfect prototype.