sellform for creating a sell offer

tested:
generating an offer
https://dev.masterchain.info/sellform.html?addr=&amount=0.2&price=0.05&fee=0.006&from=182osbPxCo88oaSX4ReJwUr9uAcchmJVaL&currency=TMSC
modify buyer fee to 0.007 and payment timeframe to 200

on masterchain:
https://masterchain.info/selloffer.html?tx=cf68983afd0fb6126fd8bc49650831ccd7cbc6d1b257cf9617e5203542e295d2&currency=TMSC

on blockchain:
https://blockchain.info/tx/cf68983afd0fb6126fd8bc49650831ccd7cbc6d1b257cf9617e5203542e295d2