Gday Crimpy, a free source would be big charts. Try the...

Gday Crimpy, a free source would be big charts. Try the following link...

http://bigcharts.marketwatch.com/default.asp

Put in au:xjo, and select advanced chart. Then select 'compare to' and put in symbol au:xso. Then under indicators, change the default lower indicator 1 from volume to %compare.

And while I'm posting chart links, I was looking at stockcharts recently, they have stacks of great free (US oriented) stuff.

http://stockcharts.com/freecharts/