import os
import shutil

dr = os.path.abspath('../skins')
for fn in os.listdir(dr):
    if fn.startswith('sh') and fn.endswith('.js'):
        nfn = os.path.join(dr, "silvercity_" + fn)
        ofn = os.path.join(dr, fn)
        print "Rename:", ofn
        print "To:", nfn
        print "*" * 40
        shutil.move(ofn, nfn)