https://khanlabschool.org/cms3t/res/js/mw.front.js

1/** //** ----= updateLandingCookie	=--------------------------------------------------------------------------------------\**//** \
2*
3*	Basic landing cookie manager. 
4*
5*	@param		string	[$page]	- Source page to redirect from. By default current page is used.
6*	@param		MIXED	$url	- Target url. If link element specified - will use href attribute. 
7*					  If set to FALSE redirect will be deleted.
8*
9\**//** ---------------------------------------------------------------------------= by Mr.V!T @ Morad Media Inc. =----/** //**/
10function updateLandingCookie ($page, $url) {
11
12	// Preparing target
13	$page	= !isEmpty($page) ? $page : location.pathname;
14
15	// Reading url
16	$url	= $url.pathname ? $url.pathname : $url;
17
18	// Reading current cookie, to update/add new redirect
19	var $c = getCookie('mwLandingUrls', {});
20	
21	if ( !isObject($c) )
22		$c = JSON.parse($c);
23
24	// Adding/updating/removing redirect
25	if ( $url )
26		$c[$page] = $url;
27	else
28		delete($c[$page]);
29
30	// Saving cookie
31	$c = JSON.stringify($c);
32	setCookie('mwLandingUrls', $c);
33
34} //FUNC updateLandingCookie
35
36/** //** ----= setLandingUrl	=--------------------------------------------------------------------------------------\**//** \
37*
38*	Stores landing cookie for specified page.
39*
40*	@param		MIXED	$url	- Target url. If link element specified - will use href attribute.
41*	@param		string	[$page]	- Source page to redirect from. By default current page is used.
42*
43\**//** ---------------------------------------------------------------------------= by Mr.V!T @ Morad Media Inc. =----/** //**/
44function setLandingUrl ($url, $page) {
45	updateLandingCookie($page, $url);	
46} //FUNC setLandingUrl
47
48/** //** ----= clearLandingUrl	=--------------------------------------------------------------------------------------\**//** \
49*
50*	Clears landing cookie for specified page.
51*
52*	@param		string	$page	- Source page to clear redirect for. If link element specified - will use href attribute.
53*
54\**//** ---------------------------------------------------------------------------= by Mr.V!T @ Morad Media Inc. =----/** //**/
55function clearLandingUrl ($page) {
56
57	// Reading target
58	$page =  $page.pathname ? $page.pathname : $page;
59	
60	if ( !$page )
61		return;
62	
63	updateLandingCookie($page, false);		
64	
65} //FUNC clearLandingUrl