function addPagerListener() {
	$('pager_form').addEvent('submit', function(e) {
		var value = $('pager_page_nr').value.toInt();
		if($type(value) == 'number' && !isNaN(value)) {
			new Event(e).stop();
			var link = $('pager_link').value;
			link = link.replace(/%page%/gi, value);
			window.location = link;
		}
	});
}