AJAX AutoComplete linking to XML

Avg Bid (GBP)
Project Budget (GBP)
£20 - £250

Project Description:
I would like a script written that has the same functionality as the Departure and Arrival airport box found on [url removed, login to view]

User enters part of the airport, suggestions appear (pulled form the XML file I will provide), user clicks on suggestion, input box populated with the 3-letter IATA code. This function/code must be usable multiple times in the same page.

My site uses Classic ASP.

I have an XML file containing about 3000 airports.

The code must run in IE8/9, Firefox and Chrome.

I've been using the JQUERY AutoComplete plugin but I've had too many problems with it not working in IE (*sigh*). Please do not use the JQUERY AutoComplete script.

This is a fairly urgent request.

Skills required:
AJAX, ASP, Javascript, XML
About the employer:
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