private function Format($args){
		$message = array();
		if( $args ){
			foreach($args as $a){
				$argValue = '';
				if( $a['name'] ){
					$argValue .= $a['name'] . ':';
				}
				if( is_object($a['value']) ){
					$argValue .= $a['value']->toCSS();
				}else{
					$argValue .= '???';
				}
				$message[] = $argValue;
			}
		}
		return implode(', ',$message);
	}