express boat to Trollfjord

Staying in Stokmarknes, Nordland in late August. Would like to take day trip on the express boat to Trollfjord in Narvik. Is there a website that gives the schedules and location where I can buy tickets?

Would like to take bus from Stokmarknes to Bitterstad. Is there a website that gives schedules and location where I can buy tickets?

[http://www.fjordcruise.no/web/search/show_single.aspx?nfc_product_id=581&nfc_product_instance_id=28482]

There's 4-5 buses on weekdays from Stokmarknes to Bitterstad. Nothing in the weekends, limited service until school stars up August 22nd. Tickets are bought on the bus. Travel time is about 10 minutes. Current schedules are at [http://nfk.datagrafikk.no/scripts/TravelMagic/TravelMagicWE.dll/svar?stagetypefrom=1&stagetypeto=1&from=Stokmarknes<i>Bussterminal+(Hadsel)+%5Bholdeplass%5D&to=Bitterstad+(Hadsel)+%5Bhpl.gruppe%5D&direction=1&changepenalty=1&changepause=0&GetTR0=1&GetTR1=1&GetTR2=1&GetTR3=1&GetTR4=1&GetGT0=1&traffictype_all=on&fromfilter=Stokmarknes+Bussterminal+(Hadsel)+%5Bholdeplass%5D&tofilter=Bitterstad+(Hadsel)</i>%5Bhpl.gruppe%5D&instant=1]