rules This property is used to specify which borders are to be rendered, and around which cells. There are five values that can be set for this property, those values being: all - This value will display borders around every cell within the given table. cols - This value will display borders between columns. groups - This value will display borders around cell groups such as those defined as THEAD, TFOOT, TBODY, COLGROUP, or COL. none - This value will not display any interior borders within the table. rows - This value will display borders between rows. syntax: document.all.elementID.rules = "value" This Property is used to access attributes of the following: TABLE