應該是用JAVA SCRIPT寫的，看一下下列的程式就知道了∼∼

document.write('<' + 'script language="JavaScript" type="text/javascript" src="/menu/nsxpmenu.js"><\/script\>');
else
document.write('<' + 'script language="JavaScript" type="text/javascript" src="/menu/iexpmenu.js"><\/script\>');
</script>
<!-- DHTML Menu Builder Loader Code END --></a><img height="20" src="/images/menu_left.jpg" width="49" border="0"><a onmouseout="cFrame.tHideAll();" onmouseover="cFrame.ShowMenu('mnuNav', 50, 20, false,'mnuNavB|3',0);" cFrame.tHideAll(); href="#"><img src="/images/menu_navigation.jpg" border="0" name="mnuNavB" width="63" height="20"></a><img src="/images/menu_separator.jpg" border="0" width="8" height="20"><a onmouseout="cFrame.tHideAll();" onmouseover="cFrame.ShowMenu('mnuUtils', 121, 20, false,'mnuUtilsB|3',0);" cFrame.tHideAll(); href="/products/utilities.htm"><img src="/images/menu_utilities.jpg" border="0" name="mnuUtilsB" width="49" height="20"></a><img src="/images/menu_separator.jpg" border="0" width="8" height="20"><a onmouseout="cFrame.tHideAll();" onmouseover="cFrame.ShowMenu('mnuAudio', 178, 20, false,'mnuAudioB|3',0);" cFrame.tHideAll(); href="/products/audio.htm"><img src="/images/menu_audio.jpg" border="0" name="mnuAudioB" width="34" height="20"></a><img src="/images/menu_separator.jpg" border="0" width="8" height="20"><a onmouseout="cFrame.tHideAll();" onmouseover="cFrame.ShowMenu('mnuAX', 220, 20, false,'mnuAXB|3',0);" cFrame.tHideAll(); href="/products/axctrls.htm"><img src="/images/menu_axctrls.jpg" border="0" name="mnuAXB" width="76" height="20"></a><img src="/images/menu_right.jpg" border="0" width="305" height="20"><div style="position:absolute; left:0px; top:0px; width:0px; height:0px; visibility:hidden;"><img src="/images/menu_utilities_sel.jpg" width="49" height="20"><img src="/images/menu_navigation_sel.jpg" width="64" height="20"><img src="/images/menu_axctrls_sel.jpg" width="76" height="20"><img src="/images/menu_audio_sel.jpg" width="36" height="20"></div></td>
</tr>
<tr>