function open_page(url) {
	window.open(url);
}

$(document).ready(function() {
	catchExternalLinks(null);
});

function catchExternalLinks(elem) {
	if(elem == null) {
		elem = document.body;
	}
	$(elem).find("a[rel=external]").click(function() {
		window.open(this.href);
		return false;
	});

	$(elem).find("a[rel=popup]").click(function() {
		window.open(this.href, 'plpp', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=300,height=300,left=570,top=300');
		return false;
	});
}