private long CheckRankNode(HtmlNode node)
{
string rank = ClearStr(node.InnerText);
long rankNum = 0;
if (rank == string.Empty) {
string htmlRank = node.InnerHtml;
if (htmlRank.Contains("no_01")) {
rankNum = 1;
} else if (htmlRank.Contains("no_02")) {
rankNum = 2;
} else if (htmlRank.Contains("no_03")) {
rankNum = 3;
}
} else {
rankNum = Convert.ToInt64(rank);
}
return rankNum;
}