'<TH CLASS="grid" BGCOLOR="#cccccc">Type</TH>'.
'<TH CLASS="grid" BGCOLOR="#cccccc">MAC Addr</TH>'.
'<TH CLASS="grid" BGCOLOR="#cccccc"></TH>'.
'<TH CLASS="grid" BGCOLOR="#cccccc">Type</TH>'.
'<TH CLASS="grid" BGCOLOR="#cccccc">MAC Addr</TH>'.
'<TH CLASS="grid" BGCOLOR="#cccccc"></TH>'.