jquery.getParams.js

 1 jQuery.extend({
 2     /**
 3     * Returns get parameters.
 4     *
 5     * If the desired param does not exist, null will be returned
 6     *
 7     * @example value = $.getURLParam("paramName");
 8     */
 9     getURLParam: function(strParamName)
10     {
11         var strReturn = "";
12         var strHref = window.location.href.toUpperCase();
13 
14         var bFound = false;
15 
16         var cmpstring = strParamName.toUpperCase() + "=";
17         var cmplen = cmpstring.length;
18 
19         if (strHref.indexOf("?") > -1)
20         {
21             var strQueryString = strHref.substr(strHref.indexOf("?") + 1);
22             var aQueryString = strQueryString.split("&");
23             for (var iParam = 0; iParam < aQueryString.length; iParam++)
24             {
25                 if (aQueryString[iParam].substr(0, cmplen) == cmpstring)
26                 {
27                     var aParam = aQueryString[iParam].split("=");
28                     strReturn = aParam[1];
29                     bFound = true;
30                     break;
31                 }
32 
33             }
34         }
35         if (bFound == false) return null;
36         return strReturn;
37     },
38     getStringParam: function(strParamName, strParamString)
39     {
40         var strReturn = "";
41         var strHref = strParamString.toUpperCase();
42         var bFound = false;
43 
44         var cmpstring = strParamName.toUpperCase() + "=";
45         var cmplen = cmpstring.length;
46 
47         var strQueryString = strHref;
48         var aQueryString = strQueryString.split("&");
49         for (var iParam = 0; iParam < aQueryString.length; iParam++)
50         {
51             if (aQueryString[iParam].substr(0, cmplen) == cmpstring)
52             {
53                 var aParam = aQueryString[iParam].split("=");
54                 strReturn = aParam[1];
55                 bFound = true;
56                 break;
57             }
58 
59         }
60 
61         if (bFound == false) return null;
62         return strReturn;
63     }
64 });