void watchSitesFile(string path)
{
FileSystemWatcher watcher = new FileSystemWatcher(path);
watcher.Filter = (_mdwsConfig.FacadeConfiguration.SitesFileName);
watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.CreationTime
| NotifyFilters.DirectoryName | NotifyFilters.FileName | NotifyFilters.Size;
watcher.EnableRaisingEvents = true;
watcher.Changed += new FileSystemEventHandler(watcher_Changed);
watcher.Deleted += new FileSystemEventHandler(watcher_Changed);
watcher.Created += new FileSystemEventHandler(watcher_Changed);
}