public static function RadioGroup( $name, $options, $class = NULL, $readOnly = NULL )
	{
		$radios	= array();
		foreach( $options as $value => $label )
		{
			if( (string) $value == '_selected' )
				continue;
			$selected	= isset( $options['_selected'] ) ? (string) $value == (string) $options['_selected'] : NULL;
			$radio		= self::Radio( $name, $value, $selected, $class, $readOnly );
			$spanRadio	= UI_HTML_Tag::create( "span", $radio, array( 'class' => 'radio' ) );
			$label		= UI_HTML_Tag::create( "label", $label, array( 'for' => $name."_".$value ) );
			$spanLabel	= UI_HTML_Tag::create( "span", $label, array( 'class' => 'label' ) );
			$content	= UI_HTML_Tag::create( "span", $spanRadio.$spanLabel, array( 'class' => 'radiolabel' ) );
			$radios[]	= $content;
		}
		$group	= implode( "", $radios );
		return $group;
	}