Table rules
<html> <body> <script language="JavaScript"> function function1() { document.getElementById("myTable").rules = "all"; } function function2() { document.getElementById("myTable").rules = "cols"; } function function3() { document.getElementById("myTable").rules = "groups"; } function function4() { document.getElementById("myTable").rules = "none"; } function function5() { document.getElementById("myTable").rules = "rows"; } </script> <table id="myTable" border="" rules=""> <tr> <td id="C1">Cell 1</td> <td>Cell 2</td> <td>Cell 3</td> </tr> <tr> <td id="C1">Cell 4</td> <td>Cell 5</td> <td>Cell 6</td> </tr> </table> <input type="button" value='rules = "all"' onClick="function1();"> <input type="button" value='rules = "cols"' onClick="function2();"> <input type="button" value='rules = "groups"' onClick="function3();"> <input type="button" value='rules = "none"' onClick="function4();"> <input type="button" value='rules = "rows"' onClick="function5();"> </body> </html>