eCart will support Swiss Francs for the currency. you may need to make a slight edit to the code that passes the transaction to the gateway top change the currency, but that should be all.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.