Código HTML:
<table cellpadding=2 cellspacing=2 border=1 width=60% align=center> <tr><td>....</td></tr> <div id="main" style="position: absolute; background-color: #878756; border: 1px none #000000; left: 2; height: 100; width:500; overflow:auto; visibility: hidden"> </tr> <div id=A style="position: absolute; background-color: #878756; border: 1px none #000000; left: 2; height: 100; width:500; overflow:auto; visibility: hidden"> <table cellpadding=2 cellspacing=2 border=1 width=100% align=center> <tr> <td align=right><b>Marca1:</b></td> <td align=left><input type=text name=mark1></td> <td align=right><b>Marca22:</b></td> <td align=left><input type=text name=mark22></td> </tr> </table> </div> </tr> <!-- *********** --> <tr> <div id=C style="position: absolute; background-color: #AAAAAA; border: 1px none #000000; left: 2; height: 100; width:500; overflow:auto; visibility: hidden"> <table cellpadding=2 cellspacing=2 border=1 width=100% align=center> <tr> <td align=right><b>history</b></td> <td align=left><input type=text name=mark1></td> <td align=right><b>history22:</b></td> <td align=left><input type=text name=mark22></td> </tr> </table> </div> </tr> <!-- *********** --> </tr> <div id=M style="position: absolute; background-color: #FFFFFF; border: 1px none #000000; left: 2; height: 100; width:500; overflow:auto; visibility: hidden"> <table cellpadding=2 cellspacing=2 border=1 width=100% align=center> <tr> <td align=right><b>document</b></td> <td align=left><input type=text name=mark1></td> <td align=right><b>document22:</b></td> <td align=left><input type=text name=mark22></td> </tr> </table> </div> </tr> <!-- ************* --> </div> <!-- div main -->