Continuation of Flash jewel game (partially complete)

This project involves the continuation of an existing Flash project. There's quite a lot to read here - I'm not likely to consider bids that don't show signs of having read it all. The work was initially started by the freelancer kleelof (http://www.freelancer.com/users/feedback_742752.html ). His work was extremely good - indeed, as a Flash programmer myself, I can say that his code was much better than mine tends to be! You can see a demonstration of the project in its current state here: [login to view URL] . If you wanted to rewrite the project from scratch I would be open to the idea, but I don't imagine it would be necessary. Here is what still needs to be done: 1) The cursor needs to be centered on the mouse pointer, not Southeast of it as at present. It needs to be possible to specify the shape of the cursor dynamically (its size will always be an integer number of gems), so that 'H'/'T'/etc shapes are possible. A good way to impress me with your bid might be to tell me how you intend to do this. 2) A basic AI is added. The AI has a colour that they 'collect' - after a given time interval, an AI cursor shape (specified dynamically, as before) appears in the position that contains the greatest number of that colour (choose randomly if tied). A countdown appears in the top left corner of the AI cursor zone. When the countdown gets to zero, the current gems in the AI cursor zone disappear - the AI has 'eaten' them. Note that these are not necessarily the gems that were in the zone when the countdown started! The game keeps track of which gems the AI has 'eaten'. 3) The initial generation code is rewritten, such that at the beginning of the game, no lines of 3 vertical or horizontal gems of the same colour exist - if the algorithm would place a gem in a position that would cause such a '3' to be made, it is overruled and forced to choose a gem of an alternate colour. Similarly, the code to generate new gems at the top of columns is altered, so that a gem never falls down from above the grid and immediately completes a '3'. 4) If gems fall (due to player or AI action) such that a line of 3 or more is completed, the line disappears all at once with a 'glow' or 'sizzle' effect. The program keeps track of how many gems disappeared in this way, and what colour they were.