public static function radio( $name, $value, $checked = false, $attribs = array() ) {
		return self::element(
			'input', array(
						 'name'  => $name,
						 'type'  => 'radio',
						 'value' => $value
					 ) + self::attrib( 'checked', $checked ) + $attribs
		);
	}