static S jsJoinHack() {
  ret hjavascript([=[
Object.prototype.join = function(glue, separator) { 
  var object = this;

  if (glue == undefined)
    glue = '=';

  if (separator == undefined)
    separator = ',';    

  return $.map(Object.getOwnPropertyNames(object), function(k) { return [k, object[k]].join(glue) }).join(separator);
}
]=]);
}