webdown GetItemNextPos() 수정할 사항

def GetItemNextPos(source, head, tail, startpos): # return [item, nextpos]

p1 = source.find(head, startpos)

p2 = source.find(tail, p1+len(head))

if p1==-1:

return ["",len(head)]

else:

return [source[p1+len(head):p2], p2+len(tail)]