Complex sentence: New Line Cinema set up a promotional website several months before the film's release, from there visitors could be redirected to another site that allowed them to download mobile-phone ringtones and wallpapers relating to the film.
Split into simpler sentences: New Line Cinema set up a promotional website several months before the film's release. From there, visitors could be redirected to another site that allowed them to download mobile-phone ringtones and wallpapers relating to the film.