function externalLinks() {
 	if (!document.getElementsByTagName) return;
 	var externals = $("a[rel='external']");
	
	externals.each(function () {
		if ($(this).attr('href')) {
			$(this).bind('click', function (ev) {
				ev.preventDefault();
				window.open($(this).attr('href'));
			});
		}
	});
}

/*--------------------------------------------------------------------------*/

$(document).ready(function () {

	/* external links */
	externalLinks();

});