CJSCore::_loadCSS

static function _loadCSS($css, $bReturn)
{
	/** @global CMain $APPLICATION */
	global $APPLICATION;

	if (is_array($css))
	{
		$ret = '';
		foreach ($css as $css_file)
			$ret .= self::_loadCSS($css_file, $bReturn);
		return $ret;
	}

	$css_filename = $_SERVER['DOCUMENT_ROOT'].$css;

	if (!file_exists($css_filename))
		return '';

	if ($bReturn)
	{
		$fullPath = Asset::getInstance()->getFullAssetPath($css);

		if ($fullPath)
		{
			return ''."rn";
		}

		return '';
	}

	$APPLICATION->SetAdditionalCSS($css);

	return '';
}