simple seach box using ajax

very simple job, 1. i have a list of data and i want them to be put in an xml file. 2. simple seach box using ajax to be able to search for things in the xml file 3. when clicked on the item on the search box, i want it to appear below as a text with all the details in that xml node. first person that does a mock up and shows me a demo of this will win the bid, just use an example or exisiting coding is fine,