QUICK & SIMPLE online document searcher (PHP, MySQL & AJAX)

IN THE NEXT 48 HOURS can u build a PHP/MySQL/AJAX site that allows the user to 1. upload PDF or TXT files 2. index the files for FAST searching 3. allow google-like search of MULTIPLE keywords in those files returning hit list (ranking by how close the multiple words are) 4. clicking on a hit displays all hits in the document where the word appears (including settable context on either side of the word) 5. can then click on a link to retrieve original document