$.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;
});

};