CFilemanUtils::MakeArchivePathFromFolderPath

function MakeArchivePathFromFolderPath(filename, path, site)
		{
			var
				oldArchivePath = BX('bx_pack_to').value,
				newArchivePath,
				archiveName;

			archiveName = oldArchivePath.substr(oldArchivePath.lastIndexOf('/') + 1);
			newArchivePath = "/" + path + "/" + filename + "/" + archiveName;

			newArchivePath = newArchivePath.replace(/[/]+$/g, "");
			newArchivePath = newArchivePath.replace(/[/]+/g, '/');
			newArchivePath = newArchivePath.replace(/[\]+/g, '/');

			if (newArchivePath == '')
				newArchivePath = '/';

			BX('bx_pack_to').value = newArchivePath;
		}