jQuery.fn.extend({getUrlParam:function(E){E=escape(unescape(E));var B=new Array(),A=null;if(jQuery(this).attr("nodeName")=="#document"){if(window.location.search.search(E)>-1)A=window.location.search.substr(1,window.location.search.length).split("&")}else if(jQuery(this).attr("src")!="undefined"){var C=jQuery(this).attr("src");if(C.indexOf("?")>-1){var D=C.substr(C.indexOf("?")+1);A=D.split("&")}}else if(jQuery(this).attr("href")!="undefined"){C=jQuery(this).attr("href");if(C.indexOf("?")>-1){D=C.substr(C.indexOf("?")+1);A=D.split("&")}}else return null;if(A==null)return null;for(var F=0;F<A.length;F++)if(escape(unescape(A[F].split("=")[0]))==E)B.push(A[F].split("=")[1]);if(B.length==0)return null;else if(B.length==1)return B[0];else return B}})