kirsle.net/www/js/offsite.js

/*
 * Hyperlink Editor Script || Copyright 2014 Kirsle
 *
 * This script makes all offsite links open in a new window.
 */

$(document).ready(function() {
    $("a").each(function() {
        var $a = $(this);
        var href = $a.attr("href");
		if (href === undefined) {
			return;
		}

        // Detect offsite links.
        if (href.indexOf("http:") == 0 || href.indexOf("https:") == 0) {
            $a.attr("target", "_blank");
        }
    });
});