GoogleGuy explains that clicking "go to Google.com" link also sets a cookie.
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Ivana, if it helps, there should be a link in the lower right corner that will let you go back to Google.com. I think it does a setting in your cookie so that you won't get country redirected again.
I'm reading through this thread and dropping off notes to various people in Google to check it out. :) Three notes off so far. Keep the (helpful) suggestions coming..