Display number of sessions selected

ShowSelectedSessionsCount.js

(function () {
	var $regularSessionsPane = $("#regularsessions");
	$regularSessionsPane.prepend('<div>Sessions Selected: <span id="myCount"><\span><\div>')
	var $checkboxes = $regularSessionsPane.find("input[type='checkbox']");
	var $countDisplay = $("#myCount");
	$checkboxes.change(function() {
		var count = $checkboxes.filter(":checked").length;
		$countDisplay.text(count);
	});
	$checkboxes.change();
})();