must reference you browser window or open the website in a new window & then check Google PR again & for PR you cannot believe on third party websites.
Both of your sites have PR1 Toolbar can perform strange at times in both mozilla or IE..install "SEO quake" toolbar for accurate results.
You can check your PR using this tool: http://multipagerank.com/ http://www.mypageranker.com/multiple-pagerank-checker.php Code (markup):
in my opinion Seo Quake Firefox Plugin is the best... http://www.seoquake.com Code (markup): There is also a PR update soon... may be Google setting your PR...
I would suggest you work on backlink and don't worry about more of PR. It will come slowly as you have more backlinks.