Use the Web Developer Toolbox Add-On with Firefox in
order to View Style Information via onMouseOver events
https://addons.mozilla.org/en-US/firefox/addon/60


Additional class id's are available if TAB's are enabled:

Text Navigation Up:

<table class="pme-tab">
<tr class="pme-tab">
<td class="pme-tab-selected" id="phpMyEdit_tab0_up_label"><a class="pme-tab-selected" id="phpMyEdit_tab0_up_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab0')">Top</a></td>
<td class="pme-tab" id="phpMyEdit_tab1_up_label"><a class="pme-tab" id="phpMyEdit_tab1_up_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab1')">Company</a></td>
<td class="pme-tab" id="phpMyEdit_tab2_up_label"><a class="pme-tab" id="phpMyEdit_tab2_up_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab2')">Telephone</a></td>
<td class="pme-tab" id="phpMyEdit_tab3_up_label"><a class="pme-tab" id="phpMyEdit_tab3_up_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab3')">WWW</a></td>
<td class="pme-tab" id="phpMyEdit_tab4_up_label"><a class="pme-tab" id="phpMyEdit_tab4_up_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab4')">Notes</a></td>
<td class="pme-tab-end">&nbsp;</td>
</tr>
</table>


Text Navigation down:

<table class="pme-tab">
<tr class="pme-tab">
<td class="pme-tab-selected" id="phpMyEdit_tab0_down_label"><a class="pme-tab-selected" id="phpMyEdit_tab0_down_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab0')">Top</a></td>
<td class="pme-tab" id="phpMyEdit_tab1_down_label"><a class="pme-tab" id="phpMyEdit_tab1_down_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab1')">Company</a></td>
<td class="pme-tab" id="phpMyEdit_tab2_down_label"><a class="pme-tab" id="phpMyEdit_tab2_down_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab2')">Telephone</a></td>
<td class="pme-tab" id="phpMyEdit_tab3_down_label"><a class="pme-tab" id="phpMyEdit_tab3_down_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab3')">WWW</a></td>
<td class="pme-tab" id="phpMyEdit_tab4_down_label"><a class="pme-tab" id="phpMyEdit_tab4_down_link" href="javascript:phpMyEdit_show_tab('phpMyEdit_tab4')">Notes</a></td>
<td class="pme-tab-end">&nbsp;</td>
</tr>
</table>