JS for calendar

gistfile1.js

if (windowPathname.indexOf("/upcoming") > -1) {
    	var $calRadios = document.getElementsByTagName('input'),
			$lastActive = document.getElementsByClassName('active')[0],
			$calList = document.getElementById('planIdeaList'),
			$couldDoIndicator = document.getElementById('indicator'),
			$couldDo = document.getElementById('couldDo')
			$couldDoWrap = document.getElementById('couldDoWrap');
		addActionButtonListeners(document.getElementsByClassName('actionButton'));
		if ($couldDoWrap) {
			$couldDoWrap.addEventListener(touchEvent, function (e) {
				$couldDoIndicator.innerText = ($couldDoIndicator.innerText === ">") ? "v" : ">";
				$couldDo.toggleClass('hidden');
			});
		}
		$calRadios.addEventListener('change', function (e) {
			if ($lastActive) {
				$lastActive.removeClass('active');
			}
			this.parentNode.addClass('active');
			$lastActive = this.parentNode;
			var date = this.parentNode.getAttribute('data-date');
			$loading.removeClass('hidden');
			sendAJAX('/upcoming?date=' + date + '&selected=' + date + '&list', "GET", function (resp) {
				if (resp.status === 200) {
					$calList.innerHTML = resp.responseText;
					$couldDo = document.getElementById('couldDo');
					$couldDoIndicator = document.getElementById('indicator');
					$couldDoWrap = document.getElementById('couldDoWrap');
					if ($couldDoWrap) {
						$couldDoWrap.addEventListener(touchEvent, function (e) {
							$couldDoIndicator.innerText = ($couldDoIndicator.innerText === ">") ? "v" : ">";
							$couldDo.toggleClass('hidden');
						});
						$couldDo.getElementsByTagName('li').addEventListener(touchEvent, function (e) {
							e.stopPropagation();
						});
					}
					addActionButtonListeners(document.getElementsByClassName('actionButton'));
				} else {
					alert(resp.status + " - " + resp.statusText + "\n" + resp.responseText);
				}
				$loading.addClass('hidden');
			});
		});
        //// note: prev/next month/week assume the date prototypes I've provided before for thisWeek, thisMonth, nextWeek, and nextMonth. I can provide them again if needed
		document.getElementById('prevWeek').addEventListener(touchEvent, function (e) {
			var date = getURLParameter('date'),
				now = (date) ? new Date(date) : new Date();
			now = now.thisWeek().start;
			now.setDate(now.getDate() - 14);
			window.location = "/upcoming?date=" + now.toISOString() + "&selected=" + now.toISOString();
		});
		document.getElementById('nextWeek').addEventListener(touchEvent, function (e) {
			var date = getURLParameter('date'),
				now = (date) ? new Date(date) : new Date();
			now = now.nextWeek().end;
			now.setDate(now.getDate() + 1);
			window.location = "/upcoming?date=" + now.toISOString() + "&selected=" + now.toISOString();
		});
		document.getElementById('prevMonth').addEventListener(touchEvent, function (e) {
			var date = getURLParameter('date'),
				now = (date) ? new Date(date) : new Date();
			now.setMonth(now.getMonth() - 1);
			now.setDate(1);
			window.location = "/upcoming?date=" + now.thisMonth().start.toISOString() + "&selected=" + now.thisMonth().start.toISOString();
		});
		document.getElementById('nextMonth').addEventListener(touchEvent, function (e) {
			var date = getURLParameter('date'),
				now = (date) ? new Date(date) : new Date();
			window.location = "/upcoming?date=" + now.nextMonth().start.toISOString() + "&selected=" + now.nextMonth().start.toISOString();
		});
	}


    function addActionButtonListeners(buttons) {
		for (var i = 0; i < buttons.length; i++) {
			buttons[i].addEventListener('change', function (e) {
				var id = this.name,
					status = this.parentNode.getElementsByTagName('span')[0].innerText.toLowerCase();
				$loading.removeClass('hidden');
				sendAJAX("/plans/" + id + "/rollcall?status=" + status, "POST", function (resp) {
					if (resp.status === 200) {
						alert("Status updated");
					}
					else if (resp.status === 432) {
						/// do nothing
					} else if (resp.status === 401) {
						alert("Invalid authorization. User logged out");
						deleteCookie(CREDENTIALS_COOKIE_NAME);
						window.location = "/sign-in";
					} else {
						alert("An error occurred. HTTP error " + resp.responseText)
					}
					$loading.addClass('hidden');
				});
			});
		}
	}