external-new-window

// create custom selector for external links
$.expr[':'].external = function(obj){
	var $this = $(obj);
  return !$this.is('[href^="mailto:"]') && !$this.is('[href^="javascript:"]') && (obj.hostname != location.hostname) && ($this.data('target') != "top");
};

// DOM is ready
$(function(){

  // apply target="_blank" to each external link on the page
  $("a[href]:external").attr("target", "_blank");
  
});