Someone

/**
 * Set a <div> format for the priority of the task
 * @param node information
 * @return output in HTML code
 */
function theme_task_outputPriority($node) {
	$output = '<div class="task_priority">' ."\n";
	$output .= t('Priority of this task') ."\n";
	$output .= task_priorityImage($node);
	$output .= '</div>' ."\n";
	return $output;
}