CExtranetWizardServices::AddMenuItem

static function AddMenuItem($menuFile, $menuItem,  $siteID)
{
	if (CModule::IncludeModule('fileman'))
	{
		$arResult = CFileMan::GetMenuArray($_SERVER["DOCUMENT_ROOT"].$menuFile);
		$arMenuItems = $arResult["aMenuLinks"];
		$menuTemplate = $arResult["sMenuTemplate"];

		$bFound = false;
		foreach($arMenuItems as $item)
			if($item[1] == $menuItem[1])
				$bFound = true;

		if(!$bFound)
		{
			$arMenuItems[] = $menuItem;
			CFileMan::SaveMenu(Array($siteID, $menuFile), $arMenuItems, $menuTemplate);
		}
	}
}