sub selectdays()
 set daystart=activedocument.variables("start")
 set dayend=activedocument.variables("end")
 dim startstring,endstring,rangstring
 startstring=">="&daystart.getcontent.string
 endstring="<="&dayend.getcontent.string
 rangstring=startstring&endstring
 set f=activedocument.fields("月")
 f.select rangstring
end sub