anchor.diff:  
   
   *Return values*
  +
   String with the percent value
   
   
  
positive.code: distance_of_time_in_percent(start_time, current_time, end_time, options)
  ----
  *Description*
  Currently not implemented
  
  
  *Arguments*
  +start_time+: Javascript Date object or an integer representing seconds
  
  +current_time+: Javascript Date object or an integer representing seconds
  
negative.code: distance_of_time_in_words(start_time, end_time, show_seconds, options)
  ----
  *Description*
  
  This function can be used to convert a time difference between start_time and
  end_time into a string representation that is much more human friendly than
  just providing the raw difference in seconds through a subtraction.
  
  
  *Arguments*
  
  +start_time+: Javascript Date object or an integer representing seconds
  
  +end_time+: Javascript Date object or an integer representing seconds
  