$.extend(
{
  UrlEncode:function(c){var o='';var x=0;c=c.toString();var r=/(^[a-zA-Z0-9_.]*)/;
    while(x<c.length){var m=r.exec(c.substr(x));
      if(m!=null && m.length>1 && m[1]!=''){o+=m[1];x+=m[1].length;
      }else{if(c[x]==' ')o+='+';else{var d=c.charCodeAt(x);var h=d.toString(16);
      o+='%'+(h.length<2?'0':'')+h.toUpperCase();}x++;}}return o;},
  UrlDecode:function(s){var o=s;var binVal,t;var r=/(%[^%]{2})/;
    while((m=r.exec(o))!=null && m.length>1 && m[1]!=''){b=parseInt(m[1].substr(1),16);
    t=String.fromCharCode(b);o=o.replace(m[1],t);}return o;}
});


function getUrlParameter(url, paramName) {
    var params = {};
    url.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) {
        params[key] = value;
    });
    return params[paramName];
}