(function(){ 
var hostname = window.location.hostname.replace("www.", "").toLowerCase();
var i = document.links.length;
while ( --i >= 0 ) {
var thisLink = document.links[i];
var thisHref = thisLink.href.toLowerCase();
if ( thisHref.indexOf("http://") != -1
&& thisHref.indexOf(hostname) == -1 && thisLink.rel != 'alternate' )
{
thisLink.target = '_blank';
thisLink.className += ' external';
thisLink.rel = 'external';
thisLink.title += ' opens in new window';
}
}
})();