function zebra_tables() {
	$("table.zebra tr:not([th]):even").addClass('alt');
	$("table.zebra tr:not([th])").hover(
		// over
		function () {
			$(this).addClass("hover");
		},
		// out
		function () {
			$(this).removeClass("hover");
		}
	);
}

function external_links() {
    $("a[@rel=external]").attr({ target: "_blank"});
    // find links inside content, that start with http and make them open in new window
    $('a[@href^="http://"]').attr({ target: "_blank"});
}

$(document).ready( function () {
	zebra_tables();
	external_links();
});