you want to use the tracking feature of Google Analytics to track all clicks on outbound links from your site, however, you also want those outbound links to open a new window...
If you simply follow the instructions to track outbound links you will discover that your links will no longer open in a new window (regardless of whether you are using Javascript or target="_BLANK" to open the window.

And here's the solution:


Apply the javascript to you hyperlink as usual...
your link text
...but modify the tracking code as follows...
function recordOutboundLink(link, category, action) {
try {
var pageTracker=_gat._getTracker("XX-XXXXXXX-XX");
pageTracker._trackEvent(category, action);
setTimeout('document.location = "' + link.href + '"', 100;window.open(this.href))
}catch(err){}
}
(Don't forget to replace XX-XXXXXXX-XX with your tracking code)
...and that's all — Outbound links with Google Analytics tracking and opening in a new window