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; } });