non so fa qualche prova
codice:<head> <script language="javascript"> function changecol(obj){ if(this.style.backgroundColor=='#000000'){ this.style.backgroundColor='#FF0000'; } else{ this.style.backgroundColor='#000000'; } } </script> </head> <body> <table> <td onClick="javascript:changecol(this);"> ... </td> <td onClick="javascript:changeCol(this);"> ... </td> </table> </body>