The Swiss franc weakened vis-à-vis the U.S. dollar today as the greenback tested offers around the CHF 1.0350 level and was supported around the CHF 1.0255 level.  Swiss National Bank member Hildebrand yesterday said international banking regulators need to coordinate their plans to wind down problem banks.  It was reported this week that Swiss unemployment climbed to its highest level in more than eleven years, printing at 4.1% in September from 4.0% in August.  U.S. dollar offers are cited around the CHF 1.0527 level.  The euro climbed higher vis-à-vis the Swiss franc as the single currency tested offers around the CHF 1.5195 level while the British pound came off vis-à-vis the Swiss franc and tested bids around the CHF 1.6335 level.