Search Function and Keywords - repost

Avg Bid (USD)
Project Budget (USD)
$30 - $40

Project Description:
Please I want to add an Header with the similar function to this url:
I've uploaded an image of the specific function.

I.e A function that displays the most common keywords, and a search button to search for a keyword on the page.

Additional Project Description:
02/15/2013 at 7:20 EST
The website is it is a news aggregation website built on wordpress. The search function required is similar to that of CTRL + F = Find on page.

Here is an example of what i want :

Skills required:
Javascript, jQuery / Prototype, Website Design, Wordpress
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