$.fn.clearForm = function() {

return this.each(function() {

  var type = this.type, tag = this.tagName.toLowerCase();

  if (tag == 'form')

    return $(':input',this).clearForm();

  if (type == 'text' || type == 'password' || tag == 'textarea')

    this.value = '';

  else if (type == 'checkbox' || type == 'radio')

    this.checked = false;

  else if (tag == 'select')

    this.selectedIndex = -1;

});

};