ChangeMonth.js

// Here you go Bess. Let me know if you have any questions.

/**
 * ChangeMonth([e]) -> "undefined"
 * - e (HTMLSelectChangeEvent): Optional, provided when this function is an event handler on a select element.
 **/
function ChangeMonth(e){
	// Get the select element and its current value.
	var select = $('<%= this.monthListControl.ClientId_Dropdown %>'),
	    selectedMonth = select.value;

	// Stop the event, if provided. There will be no event if called manually.
	// I don't see why this would be needed though...
	if (e) e.stop();

	if(selectedMonth != '' && selectedMonth != currentMonth){
		currentMonth = selectedMonth;
		// Post asynchronously, pass `name` as the target. `name` is the same as .Net's UniqueID.
		Page.post({target: select.name});
	}
}
 
if (selectedMonthCookie) {
	if(selectedMonthCookie != currentMonth){
		currentMonth = selectedMonthCookie;
		// Change month if necessary. ChangeMonth will work itself out internally.
		ChangeMonth();
	}
}