$(function() {
	var lists = $('.therapeutic_filter');
	
	if (!lists.find('input:checked').length) {
		lists.hide().find('input').attr('disabled', 'disabled').end().before('<strong><a class="therapeutic_toggle" href="#">+ Filter search by therapeutic areas</a></strong>');
	} else {
		lists.filter(':first').before('<strong><a class="therapeutic_toggle" href="#">- Hide therapeutic area filter</a></strong>');
	}
	
	$('.therapeutic_toggle').live('click', function() {
		
		if (lists.is(':visible')) {
			$(this).html('+ Filter search by therapeutic areas');
			lists.hide().find('input').attr('disabled', 'disabled');
		} else {
			$(this).html('- Hide therapeutic area filter');
			lists.show().find('input').removeAttr('disabled');
		}
		
		return false;
	});
	
	
});