// http://www.digitalbart.com/jquery-and-urlencode/
$.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, b;var r = /(%[^%]{2}|\+)/;
  while ((m = r.exec(o)) != null && m.length > 1 && m[1] != '') 
  {if (m[1] == '+') {t = ' ';} else {b = parseInt(m[1].substr(1), 16);t = String.fromCharCode(b);}
  o = o.replace(m[1], t);}return o;}
});