Urgent: Website Ranking Script Needed by Nemesis13

Before bidding take a look at: http://bit.ly/ccS43Z I need a similar script that will calculate the grading of a list of website (upto 200 websites in the future) at specified time (eg once everyweek) using cron job in PHP... (Budget: $30-250, Jobs: AJAX, Javascript, MySQL, PHP, Web Scraping)
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