ActionScript 2.0 :: [CS4] Flash/PHP/MySQL Multi-User Interaction?

On load - Get the current position of the movieclip object on stage which is stored in MySQL through PHP.When the user moves the movieclip object, update the x and y position of the object by sending it to MySQL through PHP.It's a pretty simple way of understanding Flash/PHP/MySQL Integration and I find it much less complex than a socket server but I don't think it's efficient enough to use with the constant queries. [URL] Does not really work very well, dont think the Y position works at all lol, when you refresh the page it is suppose to save your current object position into the database then load it again but it appears a bit buggy, not completely sure why - I'm pretty new to Load/Send but it doesnt matter much. Also the movement appears to be lagged too and opening a new window as a 'new user' does not share the same instance of the object on stage (I think that would require me to make seperate ID's for each user though to give them their own unique objects on stage.)Is there any better (more efficient and reliable) way of creating a stage for multi-user interaction (like player characters for a game which move around by user key input, not a chat room)...Which does not involve the use of a socket server?