function urlDecodeArray(arr) {//{{{
  var ret = [];
  var i=0;
  for(i=0; i<arr.length; i++) {
    if(arr[i] instanceof Array)
      ret.push(urlDecodeArray(arr[i]));
    else
      ret.push(decodeURIComponent(arr[i]));
  }
  return ret;
}//}}}