fixed the string for gold and silver was using NZDUSD string.
changed oil and gas instruments to support intraday values.
added option to smooth the series.
added option to show/hide groups of series.
The currency index represents the change in one currency by reference to all other
foreign currencies. The index is calculated by taking the average of the variations
in one currency by reference to the others. Represented in graphical form, it allows
for easy visualization of the individual trends in each currency.
The index of the currencies is a simple...