How to submit sitemap in Gooogle, Yahoo. Bing and ASK

1. http://www.bing.com/webmaster/ping.aspx?siteMap=http://www.yourdomain.com/sitemap.xml

2. http://www.google.com/webmasters/sitemaps/ping?sitemap=http://www.yourdomain.com/sitemap.xml

3.http://search.yahooapis.com/SiteExplorerService/V1/updateNotification?appid=YahooDemo&url=http://www.yourdomain.com/sitemap.xml 

4. http://submissions.ask.com/ping?sitemap=http%3A//www.yourdomain.com/sitemap.xml