// target external links into new windows
function targetExternalLinks() {
	$$('a').each(function(el, index) {
		if (el.getAttribute("rel") == 'external') el.target = "_blank";
	});
}

window.addEvent('domready', targetExternalLinks);

function popover(id) {
	if ($(id).style.display == 'none') {
		$(id).style.display = 'block';
	} else {
		$(id).style.display = 'none';
	}
}

function pophide(id) {
	$(id).style.display = 'none';
}

function showRE() { pophide('pp'); popover('re'); }
function showPP() { pophide('re'); popover('pp'); }