<!-- Begin to hide script contents from old browsers.

function GetProp(item)
{
  return this[item];
}

function List()
{ var objects = List.arguments
  for (var i=0;i<objects.length;i++)
  this[i]       = objects[i];
  this.length   = objects.length;
  this.GetProp  = GetProp;
}

function measurement(name,basis,factor1,factor2,plural,units,usage,reference)
{ this.name = name;
  this.basis = basis;
  this.factor1 = factor1;
  this.factor2 = factor2;
  this.plural = plural;
  this.units = units;
  this.usage = usage;
  this.reference = reference;
}