jQuery(document).ready(function() {
    var bookingQueryLink = $('.booking-link');
	var bookingQueryUrl = bookingQueryLink.attr('href');
	var boxes = $('.check');

	var updateURL = function() {


		var values = [];
		boxes.each(function() {
			if (this.checked)
				values.push($(this).val());
		});

		if (values.length == 0) {
			bookingQueryLink.attr('href', '');
			bookingQueryLink.hide();
		}
		else {
			bookingQueryLink.show();
			bookingQueryLink.attr('href', bookingQueryUrl + '&TalentIDs=' + values.join('+'));
		}


	};


	boxes.click(function() {
		updateURL();
	});
	updateURL();
});