You advertise SEO services and are asking? lol. Toolbar Page Rank comes from incoming links to you site - nothing else.
increase PR and SERPs with quality content on your pages, & with relevant link backs with proper keywords
collect quality back link and keep on focus on your traffic that can easily increase your page rank but you need to have wait for at least 5-6 months
- add uniq content daily with 2-3 % of title keywords - linkback from web 2.0 sites - Links from BIG article sites like ezine