Advanced Interactive Flash Feature for Jewellery Site

The requirement is for an interactive flash/shockwave "drag and drop" charm designer for a jewellery site. Samples of a similar nature can be found at: <[login to view URL]> The size of the application must be 800px (wide) by 500px (high) The user will load a page which contains the application, select the charms they wish to purchase and then press a button (e.g. Complete) within the application which will then save the data of the charms selected and pass the information to the existing ASP.NET/C# application via whatever method (e.g. XML/HTTP POST).