https://www.jalan.net/jalan/common/script/UaLibCookie.js

1//---------------------------------------------------------------------------//
2/**********************************************************
3* ƒNƒbƒL[§ŒäƒNƒ‰ƒX
4*/
5
6//---------------------------------------------------------------------------//
7/**********************************************************
8* ƒRƒ“ƒXƒgƒ‰ƒNƒ^
9*/
10function UaLibCookie(){
11}
12//---------------------------------------------------------------------------//
13/**********************************************************
14* ƒNƒbƒL[‚̃f[ƒ^‚ðŽæ“¾
15*/
16UaLibCookie.prototype.getCookie = function(name){
17	var arg = name + "=";
18	var alen = arg.length;
19	var clen = document.cookie.length;
20	var i = 0;
21	while (i < clen){
22		var j = i + alen;
23		if(document.cookie.substring(i, j) == arg){
24			return this.getCookieVal(j);
25		}
26		i = document.cookie.indexOf(" ", i) + 1;
27		if(i == 0) break; 
28	}
29	return null;
30}
31/**********************************************************
32* ƒNƒbƒL[‚̃f[ƒ^‚ðƒZƒbƒg
33*/
34UaLibCookie.prototype.setCookie = function(name, value, expires, path, domain, secure){
35	document.cookie = name + "=" + encodeURIComponent (value) +
36		((expires) ? "; expires=" + expires : "") +
37		((path) ? "; path=" + path : "") +
38		((domain) ? "; domain=" + domain : "") +
39		((secure) ? "; secure" : "");
40}
41/**********************************************************
42* ƒNƒbƒL[‚̃f[ƒ^‚ðíœ(—LŒøŠúŒÀ‚ð‰ß‹Ž‚É)
43*/
44UaLibCookie.prototype.deleteCookie = function(name,path,domain){
45	if(this.getCookie(name)){
46		document.cookie = name + "=" +
47			((path) ? "; path=" + path : "") +
48			((domain) ? "; domain=" + domain : "") +
49			"; expires=Thu, 01-Jan-70 00:00:01 GMT";
50	}
51}
52//---------------------------------------------------------------------------//
53/**********************************************************
54* ƒNƒbƒL[‚̃f[ƒ^‚Ì’l‚ðƒfƒR[ƒh‚µ‚Ä•Ô‚·
55*/
56UaLibCookie.prototype.getCookieVal = function(offset){
57	var endstr = document.cookie.indexOf (";", offset);
58	if(endstr == -1){
59		endstr = document.cookie.length;
60	}
61	return decodeURIComponent(document.cookie.substring(offset, endstr));
62}
63/**********************************************************
64* —LŒøŠúŒÀ‚ð‹K’è‚̃tƒH[ƒ}ƒbƒg‚É•ÏŠ·
65*/
66UaLibCookie.prototype.getExpDate = function(days, hours, minutes){
67	var expDate = new Date();
68	if(typeof days == "number" && typeof hours == "number" && typeof hours == "number"){
69		expDate.setDate(expDate.getDate() + parseInt(days));
70		expDate.setHours(expDate.getHours() + parseInt(hours));
71		expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
72		return expDate.toGMTString();
73	}
74}