72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
/* Copyright (c) 2006-2007 Mathias Bank (http://www.mathias-bank.de)
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* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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*
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* Version 2.1
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*
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* Thanks to
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* Hinnerk Ruemenapf - http://hinnerk.ruemenapf.de/ for bug reporting and fixing.
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* Tom Leonard for some improvements
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*
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*/
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jQuery.fn.extend({
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/**
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* Returns get parameters.
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*
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* If the desired param does not exist, null will be returned
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*
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* To get the document params:
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* @example value = $(document).getUrlParam("paramName");
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*
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* To get the params of a html-attribut (uses src attribute)
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* @example value = $('#imgLink').getUrlParam("paramName");
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*/
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getUrlParam: function(strParamName){
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strParamName = escape(unescape(strParamName));
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var returnVal = new Array();
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var qString = null;
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if ($(this).attr("nodeName")=="#document") {
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//document-handler
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if (window.location.search.search(strParamName) > -1 ){
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qString = window.location.search.substr(1,window.location.search.length).split("&");
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}
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} else if ($(this).attr("src")!="undefined") {
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var strHref = $(this).attr("src")
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if ( strHref.indexOf("?") > -1 ){
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var strQueryString = strHref.substr(strHref.indexOf("?")+1);
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qString = strQueryString.split("&");
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}
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} else if ($(this).attr("href")!="undefined") {
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var strHref = $(this).attr("href")
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if ( strHref.indexOf("?") > -1 ){
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var strQueryString = strHref.substr(strHref.indexOf("?")+1);
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qString = strQueryString.split("&");
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}
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} else {
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return null;
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}
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if (qString==null) return null;
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for (var i=0;i<qString.length; i++){
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if (escape(unescape(qString[i].split("=")[0])) == strParamName){
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returnVal.push(qString[i].split("=")[1]);
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}
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}
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if (returnVal.length==0) return null;
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else if (returnVal.length==1) return returnVal[0];
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else return returnVal;
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}
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}); |