@trace.visibility = visibility.v
elsif @user.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"}).nil?
@trace.visibility = "private"
@trace.visibility = visibility.v
elsif @user.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"}).nil?
@trace.visibility = "private"