/* 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({getUrlParam:function(strParamName){strParamName=escape(unescape(strParamName));var returnVal=new Array();var qString=null;if($(this).attr("nodeName")=="#document"){if(window.location.search.search(strParamName)>-1){qString=window.location.search.substr(1,window.location.search.length).split("&");}}else if($(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;}});