https://www.carsensor.net/static/pc/js/catalog/compare_util.js?1

1var compareUtil = {
2	cName : "CA_COMPARE_LIST",
3	cExp : 1000 * 3600 * 24 * 365,
4	maxCds : 30,	// 最大登録件数
5	_getListAarray : function() {
6		var cVal = Cs_Util.getCookie(this.cName);
7		return cVal ? cVal.split('*') : [];
8	},
9	getListStrWithAddModelCd : function(modelcd, addIdx) {
10		var cds = this._getListAarray(),
11			idx = addIdx === undefined ? false : addIdx,
12			listStr = "";
13
14		if(cds.length >= this.maxCds) return false;
15		if(idx !== false && cds.length < idx) idx = false;
16
17		if(cds.indexOf(modelcd) < 0){
18			if(idx === false){
19				cds.push(modelcd);
20			} else{
21				cds.splice(idx, 0, modelcd);
22			}
23		}
24		listStr = cds.join('*');
25		Cs_Util.setCookie(this.cName, listStr, this.cExp);
26		return listStr;
27	},
28	getListStrWithDelModelCd : function(modelcd) {
29		var cds = this._getListAarray(),
30			idx = cds.indexOf(modelcd),
31			listStr = "";
32
33		if(idx >= 0) cds.splice(idx, 1);
34		listStr = cds.join('*');
35		Cs_Util.setCookie(this.cName, listStr, this.cExp);
36		return listStr;
37	},
38	getListStrWithSwitchModelCd : function(delModelcd, addModelcd) {
39		var cds = this._getListAarray(),
40			idx = cds.indexOf(delModelcd),
41			listStr = "";
42
43		if(idx < 0) return;
44
45		if(cds.indexOf(addModelcd) < 0){
46			cds.splice(idx, 1, addModelcd);
47		}
48		listStr = cds.join('*');
49		Cs_Util.setCookie(this.cName, listStr, this.cExp);
50		return listStr;
51	},
52	locationHref : function(list) {
53		var href = "/catalog/compare/",
54			cVal = Cs_Util.getCookie(this.cName);
55		if(list || cVal){
56			href += "?list=";
57			href += list ? list : cVal;
58		}
59		window.location.href = href;
60	},
61	isExistModelCd : function(modelcd) {
62		var cds = this._getListAarray();
63		return cds.indexOf(modelcd) >= 0;
64	},
65	getListCount : function(){
66		var cds = this._getListAarray();
67		return cds.length;
68	}
69}