private function findSection($section)
	{
		// Check section type
		if (is_int($section) || $section === 'new') {
			return $section;
		} else if (is_string($section)) {
			// Search section names for related index
			$sections = array_keys($this->sections->byName);
			$index = array_search($section, $sections);

			// Return index if found
			if ($index !== false) {
				return $index;
			}
		}

		// Return error message and value
		$this->error = array();
		$this->error['page'] = "Section '$section' was not found on this page";
		return -1;
	}