// clear form values
$.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 = 0;
							  });
	};