https://auran.com//inc/N3V001-FE1/js/widerfunnel.lib.js

1/**
2 * JS Help Functions
3 * Copyright 2011, Stephen Liu 
4 * WiderFunnel Marketing Optimization 
5 * Website: http://www.widerfunnel.com
6 * 
7 * Date: 2011-10-06
8 */
9
10// Widerfunnel Namespace
11var _wf = _wf || {};
12
13if (typeof _wf.debug === 'undefined') {
14    _wf.debug = function(o) {
15        if (window.console && window.console.log)
16            window.console.log(o);
17    }           
18}      
19
20
21if (typeof _wf._lib_widerfunnel === 'undefined') {        
22    
23    (function() {                    
24        _wf._lib_widerfunnel = "2.1.1";  
25
26        var REFERRER_COOKIE_KEY = "wf_referrer";        
27        
28        // Modded of http://www.quirksmode.org/js/cookies.html
29        // can still be modded to add change path
30        _wf.createCookie = function(name,value,days,domain) {
31            var expires = "";
32            if (days) {
33                var date = new Date();
34                date.setTime(date.getTime()+(days*24*60*60*1000));
35                expires = "; expires="+date.toGMTString();
36            }     
37            var cookie = "";
38            if (domain) {
39                cookie = name+"="+value+expires+"; path=/; domain=" + domain;
40            } else {
41                cookie = name+"="+value+expires+"; path=/";
42            }    
43            document.cookie = cookie;
44        };
45
46        _wf.readCookie = function(name) {
47            var nameEQ = name + "=";        
48            var ca = document.cookie.split(';');
49            for(var i=0;i < ca.length;i++) {
50                var c = ca[i];
51                while (c.charAt(0)==' ') c = c.substring(1,c.length);
52                if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
53            }
54            return null;
55        };
56
57        _wf.eraseCookie = function(name) {
58            _wf.createCookie(name,"",-1);
59        };
60
61        _wf.setControlReferrer = function(r) {    
62            if (r)
63                _wf.createCookie(REFERRER_COOKIE_KEY, encodeURIComponent(r));
64            else 
65                _wf.eraseCookie(REFERRER_COOKIE_KEY);
66        };
67
68        _wf.getControlReferrer = function() {
69            var r = _wf.readCookie(REFERRER_COOKIE_KEY);
70            if (r) 
71                return decodeURIComponent(r);            
72            else 
73                return null;
74        };
75       
76        // Save referrer, then redirect
77        _wf.controlPageRedirect = function(param, debug) {
78            var d=document, l=location, s=l.search, h=l.href, arr=h.split("#"), url;       
79            if (param.indexOf("wfvar=") === -1 ) {                 
80                // Redirect to URL
81                url = param + s;
82            } else {
83                // Redirect to same page, add ?wfvar=
84                var qs = param; 
85                url = h.indexOf("?") === -1 ? arr[0] + "?" + qs:  arr[0] + "&" + qs;
86            }        
87            // Save referrer for GA
88            if (d.referrer) {                           
89                _wf.setControlReferrer(d.referrer);            
90            }                        
91            
92            if (debug) {
93                _wf.debug("redirect url:" + url + l.hash);
94            } else {
95                l.replace(url + l.hash);
96            }
97        };           
98
99        // Returns the combination order of a GWO test
100        _wf.combination = function() {
101            if (typeof utmx === 'function') {
102                var combo = utmx('combination');
103                if (typeof combo !== 'undefined') {
104                    return "" + combo; 
105                }
106            }
107            
108            return null;
109        };        
110        
111        // 1.7 Modified http://stackoverflow.com/questions/901115/get-query-string-values-in-javascript
112        _wf.getQueryStringValue = function(name) {            
113            name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
114            var regexS = "[\\?&]" + name + "=([^&#]*)";
115            var regex = new RegExp(regexS);
116            var results = regex.exec(window.location.href);
117            
118            if (results != null)
119                return decodeURIComponent(results[1].replace(/\+/g, " "));
120            else
121                return null;            
122        };
123
124        // Save referrer
125        _wf.refOverride = null;        
126        
127        var ref = _wf.getControlReferrer();    
128
129        if (ref !== null) {
130            _wf.refOverride = ref;        
131            _wf.setControlReferrer(null);            
132        }        
133        
134    })(); // closure
135
136} 
137