Search Module or Plugin for SobiPro in Joomla 2.5 by Joomlus

Hi, I created a directory with SobiPro 1.08 on Joomla 2.5 and I want to have a search module. This module should be with AutoComplete function and with Radius Search. The Result should be scrollable… (Budget: €30-€250 EUR, Jobs: AJAX, Joomla, jQuery / Prototype, PHP)