need to get a price quote for question2answer script

Hi, I am wanting to get a price quote for a custom modification for the following: What I want to do is to have the input box where you type the question at convert to a text box that is the same length but will expand as you you type in it up to the limit that is set in the to the acp panel, the input box is located at where you ask a question in the tool bar here this is a demo [login to view URL]