Blogger, Put ALL External To Target_Blank

gistfile1.as

<!-- ALL External To _Blank, Put on above </head> -->
<script type='text/javascript'>
    $(document).ready(function() {
      $("a[href^='http://']").each(
        function(){
         if(this.href.indexOf(location.hostname) == -1) {
            $(this).attr('target', '_blank');
          }
        }
      );
    $("a[href^='https://']").each(
    function(){
    if(this.href.indexOf(location.hostname) == -1) {
    $(this).attr('target', '_blank');
    }
    }
    );
    });
    </script>
<!-- End Of ALL External To _Blank -->