The Script 
This script is written in PHP and searches across multiple MySQL tables. Results are ranked by relevance and search terms are bolded.
Features
-Search multiple tables and fields.
-Results are ranked by relevance.
-Search terms are bolded.
-Uses MySQL 'LIKE' statement.
DEMO
Click Here to see a live demo of this script. Type in a few search terms to see the ranking and highlighting in action.
Purchase Script
To purchase this script for $10, click on the 'Buy Now' button.
Once payment has been made, allow up to 12 hours to receive codes. This script is also listed on: