asp.net auto phone number format textbox

i have a project using javascript and asp.net that automatically formats a phone number being entered. e.g. X = 0-9 digit A) 1800 XXX XXX B) 1900 XXX XXX C) 13 XX XX XX D) (XX)XXXX XXXX C) 04XX XXX XXX D) Other number of any length XXX XXX XXX XXX ..... i have the code for most of these boxes but for separate text boxes e.g. i have a text box that formats number input to B and another Text box for D and another for C I need all this functionality in one text box, for example determining from the first few digits it can determine what style of number to automatically format. I need this code ASAP ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform ASP.NET C# Javascript