

<!--
/* Copyright (c) 2006-2007 Mathias Bank (http://www.mathias-bank.de) 
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses. 
* 
* Version 2.1 
* 
* Thanks to 
* Hinnerk Ruemenapf - http://hinnerk.ruemenapf.de/ for bug reporting and fixing. 
* Tom Leonard for some improvements 
* 
*/ 
jQuery.fn.extend({ 
/** 
* Returns get parameters. 
* 
* If the desired param does not exist, null will be returned 
* 
* To get the document params: 
* @example value = $(document).getUrlParam("paramName"); 
* 
* To get the params of a html-attribut (uses src attribute) 
* @example value = $('#imgLink').getUrlParam("paramName"); 
*/ 
getUrlParam: function(strParamName){ 
strParamName = escape(unescape(strParamName)); 

var returnVal = new Array(); 
var qString = null; 

if ($(this).attr("nodeName")=="#document") { 
//document-handler 

if (window.location.search.search(strParamName) > -1 ){ 

qString = window.location.search.substr(1,window.location.search.length).split("&"); 
} 

} else if ($(this).attr("src")!="undefined") { 

var strHref = $(this).attr("src") 
if ( strHref.indexOf("?") > -1 ){ 
var strQueryString = strHref.substr(strHref.indexOf("?")+1); 
qString = strQueryString.split("&"); 
} 
} else if ($(this).attr("href")!="undefined") { 

var strHref = $(this).attr("href") 
if ( strHref.indexOf("?") > -1 ){ 
var strQueryString = strHref.substr(strHref.indexOf("?")+1); 
qString = strQueryString.split("&"); 
} 
} else { 
return null; 
} 


if (qString==null) return null; 


for (var i=0;i<qString.length; i++){ 
if (escape(unescape(qString[i].split("=")[0])) == strParamName){ 
returnVal.push(qString[i].split("=")[1]); 
} 

} 


if (returnVal.length==0) return null; 
else if (returnVal.length==1) return returnVal[0]; 
else return returnVal; 
} 
});
//-->