Работаю над чпу(sef). Не открываются категории товаров - SEF (ЧПУ)

		if (count($segments) > 1 && $segments[0] == 'component')
		{
			$vars['option'] = 'com_'.$segments[1];
			$vars['Itemid'] = null;
			$route = implode('/', array_slice($segments, 2));
		}

		if (count($segments) > 1 && $segments[0] == 'component'){
		        $vars['option'] = 'com_'.$segments[1];
		        $vars['Itemid'] = null;
			$route = implode('/', array_slice($segments, 2));
		}
		elseif($segments[0]=='catalog'){
			$vars['option'] = 'com_virtuemart';
		        $vars['Itemid'] = null;
			$route = implode('/', array_slice($segments, 2));
		}

		if (!$built) {
			$tmp = 'component/'.substr($query['option'], 4).'/'.$tmp;
		}

		if (!$built) {
			if(substr($query["option"], 4)!="virtuemart")
				$tmp = 'component/'.substr($query["option"], 4).'/'.$tmp;
			else $tmp = 'catalog/'.$tmp;
		}