Event.observe(window, 'load', function() {
	$$('.nav').each(function(elem) {
		  elem.observe('mouseover', function() { elem.addClassName('nav_current'); });
		  elem.observe('mouseout', function() { elem.removeClassName('nav_current'); });
	});
	$('searchbox').observe('click', function() {
		if($F('searchbox') == 'Search for your organization') {
			$('searchbox').value = '';
		}
	});
});