<table class="TableWithSideTabs">
  <tbody>
    <tr>
        <td class="SelectedTab">Tab One</td>
        <td rowspan="4" class="Content">
            content
        </td>
    </tr>
    <tr>
        <td class="Tab">Tab Two</td>
    </tr>
    <tr>
        <td class="Tab">Tab Three</td>
    </tr>
    <tr>
        <td class="Filler">&nbsp;</td>
    </tr>
  </tbody>
</table>

.TableWithSideTabs {
        width:400px;
        border-collapse:collapse;
        padding:0px;
        border: thin solid black;
    }

    .SelectedTab {
        width: 1px;
        height: 1px;
        white-space: nowrap;
        padding-left: 4px;
        padding-right:4px;
        border-bottom: thin solid black;
    }

    .Tab {
        width: 1px;
        height: 1px;
        white-space: nowrap;
        padding-left: 4px;
        padding-right:4px;
        border-right: thin solid black;
        border-bottom: thin solid black;
    }

    .Filler {
        border-right: thin solid black;
        min-height:50px;
    }

    .Content {
        vertical-align: top;
        padding: 4px;
    }