title: How to pass Google Analytics cookies from page contained in iframe, to page on different domain
body: <p>Here is my problem: 
  We have page contained in iframe (url of iframe page - www.iframepage.com). That page has link UPGRADE on it. When user clicks on that link, he gets directed to billing page, which is located on different domain (www.billingsite.com/cc.html).
  That page should be open on top (not in iframe).</p>
  
  <p>If I use _link, GA cookie values will get passed to target page and cross domain tracking will work, BUT target page will open in iframe.</p>
  
  <p>UPGRADE</p>
  
  <p><a href="https://developers.google.com/analytics/devguides/collection/gajs/methods/gaJSApiDomainDirectory#_gat.GA_Tracker_._link" rel="nofollow">https://developers.google.com/analytics/devguides/collection/gajs/methods/gaJSApiDomainDirectory#_gat.GA_Tracker_._link</a></p>
  
  <p>I would need a solution that will provide both: target page should open on top (not in iframe) and GA _utm parameters should be passed to target url so cross domain tracking could work.</p>
  
  <p>Any help will be appreciated, thanks.</p>