* European earnings seen down 13 pct in third quarter (ADVISORY- Follow European and UK stock markets in real time on the Reuters Live Markets blog on Eikon - see cpurl://apps.cp./cms/?pageId=livemarkets) Adds details, updates prices)
MILAN, Oct 21 European shares rose slightly in early trading on Friday, supported by a weaker euro and strong results from companies such as auto parts maker Valeo and fertilizer firm Yara.
Oct 21 Futures for Britain's FTSE 100 were up 0.13 percent at 0646 GMT ahead of the cash market open.
Oct 21 Britain's FTSE 100 index is seen down 8 points, or 0.1 percent, on Friday, according to financial bookmakers. * The UK blue chip index closed up 4.98 points, or 0.1 percent, on Thursday at 7,026.90. Banks helped to support British blue-chips, buoyed by good performance from U.S. lenders in key business areas on a volatile day as the European Central Bank held policy steady. * BHP: BHP Billiton, Chairman Jac Nasser, one of the most powerful figures in the minin