更新1:
CODE: <table id="nav" width="15%"> <tr><td class="all"><h4> TEST </h4></td></tr> </table> <!-- NAV TABLE --> <table id="content" width="70%"> <tr><td class="all"><h4> TEST </h4></td></tr> </table> <!-- NAV TABLE --> <table id="other" width="15%"> <tr><td class="all"><h4> TEST </h4></td></tr> </table>