'headers' Example
<html> <body> <script> function function1() { document.getElementById("td1").headers = "hdr1"; document.getElementById("td2").headers = "hdr2"; document.getElementById("td3").headers = "hdr3"; } </script> <table width="450" border="3" cellspacing="5" cellpadding="10" bordercolor="#FF0000"> <tr> <th id="hdr1">Item Number</th> <th id="hdr2">Item Name</th> <th id="hdr3">Item Description</th> </tr> <tr> <td id="td1">28030</td> <td id="td2">CD-ROM</td> <td id="td3">Tutorial</td> </tr> </table> <input type="Button" id="b1" value='Turn Headers "on"' onClick="function1();"> </body> </html>