$(document).ready(function() {
	$('a[rel*="external"]').each(function() {
		var title = $(this).attr('title') ? $(this).attr('title') + ' (opens in a new tab or window)' : 'This link will open in a new tab or window';
		$(this).attr('title',title).click(function() {
			window.open($(this).attr('href'));
			return false;
		});
	});
});