如何把这种特殊效果的下拉菜单项靠右对齐或者居中对齐，有点难度哦。

Question

function mmenu_out(x){
toel = getReal(window.event.toElement, "className", "coolButton");
fromel = getReal(window.event.fromElement, "className", "coolButton");
if (toel == fromel) return;
if (misShow){
mtoin(eval("mMenu"+x));
}else{
mnochange(eval("mMenu"+x));
}
mpopOut()
}
function mmenu_down(menuid,x){
  if(misShow){
  mmenuhide(menuid);
  mtoout(eval("mMenu"+x));
  }
  else{
  mtoin(eval("mMenu"+x));
  mmenushow(menuid,eval("mMenu"+x));
  misdown=true;
  }
}
function mmenu_up(){
  misdown=false;
}
function mmenuitem_over(menuid,item,x,j,i){
toel = getReal(window.event.toElement, "className", "coolButton");
fromel = getReal(window.event.fromElement, "className", "coolButton");
if (toel == fromel) return;
srcel = getReal(window.event.srcElement, "className", "coolButton");
        for(nummenu=1;nummenu<=mnumberofsub;nummenu++){  
         var thesub=document.all['msubmenudiv'+nummenu] 
         if(!(menuid==thesub||menuid.style.tag>=thesub.style.tag)){
         msubmenuhide(thesub);
         mnochange(document.all['mp'+nummenu]);
         document.all["mitem"+nummenu].style.color=mfontcolor;
         }
        }
if(item)document.all["mitem"+item].style.color=mmenuovercolor;
if(misdown||item){
mtoin(srcel);
}
else{
mtoout(srcel);
}
if(x==-1)mthestatus=eval("msub"+j).items[i].statustxt;
if(j==-1)mthestatus=mmenus[x].items[i].statustxt;
if(mthestatus!=""){
musestatus=true;
window.status=mthestatus;
}
clearTimeout(mpopTimer);
}
function mmenuitem_out(hassub){
toel = getReal(window.event.toElement, "className", "coolButton");
fromel = getReal(window.event.fromElement, "className", "coolButton");
if (toel == fromel) return;
srcel = getReal(window.event.srcElement, "className", "coolButton");
if(!hassub)mnochange(srcel);
if(musestatus)window.status="";
mpopOut()
}
function mmenuitem_down(){
srcel = getReal(window.event.srcElement, "className", "coolButton");
mtoin(srcel)
misdown=true;
}
function mmenuitem_up(){
srcel = getReal(window.event.srcElement, "className", "coolButton");
mtoout(srcel)
misdown=false;
}
function mexec3(j,i){
var cmd;
if(eval("msub"+j).items[i].target=="blank"){
  cmd = "window.open('"+eval("msub"+j).items[i].command+"')";
}else{
  cmd = eval("msub"+j).items[i].target+".location=\""+eval("msub"+j).items[i].command+"\"";
}
eval(cmd);
}
function mexec2(x){
var cmd;
if(mmenus[x].target=="blank"){
  cmd = "window.open('"+mmenus[x].command+"')";
}else{
  cmd = mmenus[x].target+".location=\""+mmenus[x].command+"\"";
}
eval(cmd);
}
function mexec(x,i){
var cmd;
if(mmenus[x].items[i].target=="blank"){
  cmd = "window.open('"+mmenus[x].items[i].command+"')";
}else{
  cmd = mmenus[x].items[i].target+".location=\""+mmenus[x].items[i].command+"\"";
}
eval(cmd);
}
function mbody_click(){

Answer 1

if (misShow){
srcel = getReal(window.event.srcElement, "className", "coolButton");
for(var x=0;x<=mmenus.length;x++){
if(srcel.id=="mMenu"+x)
return;
}
for(x=1;x<=mnumberofsub;x++){
if(srcel.id=="mp"+x)
return;
}
mallhide();
}
}
document.onclick=mbody_click;function mwritetodocument(){
      var mwb=1;
                     var stringx='<div id="mposflag" style="position:absolute;"></div><table  id=mmenutable border=0 cellpadding=3 cellspacing=2 width='+mmenuwidth+' height='+mmenuheight+' bgcolor='+mmenucolor+
                     ' onselectstart="event.returnValue=false"'+
                     ' style="filter:Alpha(Opacity=80);cursor:'+mcursor+';'+mfonts+
                     ' border-left: '+mwb+'px solid '+mmenuoutbordercolor+';'+
                     ' border-right: '+mwb+'px solid '+mmenuinbordercolor+'; '+
                     'border-top: '+mwb+'px solid '+mmenuoutbordercolor+'; '+
                     'border-bottom: '+mwb+'px solid '+mmenuinbordercolor+'; padding:0px"><tr>'
                     for(var x=0;x<mmenus.length;x++){
                      var thismenu=mmenus[x];
                      var imgsize="";
                      if(thismenu.sizex!="0"||thismenu.sizey!="0")imgsize=" width="+thismenu.sizex+" height="+thismenu.sizey;
                      var ifspace="";
                      if(thismenu.caption!="")ifspace=" ";
                      stringx += "<td nowrap class=coolButton id=mMenu"+x+" style='border: "+mitemedge+"px solid "+mmenucolor+
                      "' width="+mmenuunitwidth+"px onmouseover=mmenu_over(mmenudiv"+x+
                      ","+x+") onmouseout=mmenu_out("+x+
                      ") onmousedown=mmenu_down(mmenudiv"+x+","+x+")";
                            if(thismenu.command!=""){
                                stringx += " onmouseup=mmenu_up();mexec2("+x+");";
                            }else{
                               stringx += " onmouseup=mmenu_up()";
                            }
                            if(thismenu.pos=="0"){
                                stringx += " align=center><img align=absmiddle src='"+thismenu.img+"'"+imgsize+">"+ifspace+thismenu.caption+"</td>";
                            }else if(thismenu.pos=="1"){
                                stringx += " align=center>"+thismenu.caption+ifspace+"<img align=absmiddle src='"+thismenu.img+"'"+imgsize+"></td>";
                            }else if(thismenu.pos=="2"){
                                stringx += " align=center background='"+thismenu.img+"'> "+thismenu.caption+" </td>";
                            }else{
                                stringx += " align=center> "+thismenu.caption+" </td>";
                            }
                      stringx += "";
                     }
                     stringx+="<td width=*> </td></tr></table>";
                     
                     
                     for(var x=0;x<mmenus.length;x++){
                      thismenu=mmenus[x];
                        if(x<0){
                        stringx+='<div id=mmenudiv'+x+' style="visiable:none"></div>';
                        }else{
                        stringx+='<div id=mmenudiv'+x+
                        ' style="filter:Alpha(Opacity=80);cursor:'+mcursor+';position:absolute;'+
                        'width:'+mmenuitemwidth+'px; z-index:'+(x+100);
                        if(mmenuinbordercolor!=mmenuoutbordercolor&&msubedge=="0"){
                        stringx+=';border-left: 1px solid '+mmidoutcolor+
                        ';border-top: 1px solid '+mmidoutcolor;}
                        stringx+=';border-right: 1px solid '+mmenuinbordercolor+
                        ';border-bottom: 1px solid '+mmenuinbordercolor+';visibility:hidden" onselectstart="event.returnValue=false">\n'+
                      '<table  width="100%" border="0" height="100%" align="center" cellpadding="0" cellspacing="2" '+
                      'style="'+mfonts+' border-left: 1px solid '+mmenuoutbordercolor;
                      if(mmenuinbordercolor!=mmenuoutbordercolor&&msubedge=="0"){
                      stringx+=';border-right: 1px solid '+mmidincolor+
                      ';border-bottom: 1px solid '+mmidincolor;}
                      stringx+=';border-top: 1px solid '+mmenuoutbordercolor+
                      ';padding: 4px" bgcolor='+mmenucolor+'>\n'
                      for(var i=0;i<thismenu.items.length;i++){
                      var thismenuitem=thismenu.items[i];
                      var imgsize="";
                              if(thismenuitem.sizex!="0"||thismenuitem.sizey!="0")imgsize=" width="+thismenuitem.sizex+" height="+thismenuitem.sizey;
                              var ifspace="";
                              if(thismenu.caption!="")ifspace=" ";
                      if(thismenuitem.hasc!=null){
                      stringx += "<tr><td id=mp"+thismenuitem.hasc+" class=coolButton style='border: "+mitemedge+"px solid "+mmenucolor+
                      "' width=100% onmouseout=mmenuitem_out(true) onmouseover=\"mmenuitem_over(mmenudiv"+x+
                      ",'"+thismenuitem.hasc+"',"+x+",-1,"+i+");mshowsubmenu(msubmenudiv"+thismenuitem.hasc+",mp"+thismenuitem.hasc+",mmenudiv"+x+");\""+
                      "><table id=mitem"+thismenuitem.hasc+" cellspacing='0' cellpadding='0' border='0' width='100%' style='"+mfonts+"'><tr><td ";
                        if(thismenuitem.pos=="0"){
                                  stringx += "><img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+">"+ifspace+thismenuitem.caption+"</td><td";
                                }else if(thismenuitem.pos=="1"){
                                  stringx += ">"+thismenuitem.caption+ifspace+"<img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+"></td><td";
                                }else if(thismenuitem.pos=="2"){
                                  stringx += "background='"+thismenuitem.img+"'>"+thismenuitem.caption+"</td><td background='"+thismenuitem.img+"'";
                                }else{
                                  stringx += ">"+thismenuitem.caption+"</td><td";
                                }

Answer 2

  stringx += " align=right width='1'><font face='Webdings' style='font-size: 6pt'>4</font></td></tr></table></td></tr>\n";                     
                      }else if(!thismenuitem.isline){
                      stringx += "<tr><td class=coolButton style='border: "+mitemedge+"px solid "+mmenucolor+
                      "' width=100% height=15px onmouseover=\"mmenuitem_over(mmenudiv"+x+
                      ",false,"+x+",-1,"+i+");\" onmouseout=mmenuitem_out() onmousedown=mmenuitem_down() onmouseup=";
  stringx += "mmenuitem_up();mexec("+x+","+i+"); ";
    if(thismenuitem.pos=="0"){
                                  stringx += "><img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+">"+ifspace+thismenuitem.caption+"</td></tr>";
                                }else if(thismenuitem.pos=="1"){
                                  stringx += ">"+thismenuitem.caption+ifspace+"<img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+"></td></tr>";
                                }else if(thismenuitem.pos=="2"){
                                  stringx += "background='"+thismenuitem.img+"'>"+thismenuitem.caption+"</td></tr>";
                                }else{
                                  stringx += ">"+thismenuitem.caption+"</td></tr>";
                                }
  }else{
                      stringx+='<tr><td height="1" background="/images/hr.gif" onmousemove="clearTimeout(mpopTimer);"><img height="1" width="1" src="none.gif" border="0"></td></tr>\n';
                      }
                      }stringx+='</table>\n</div>'
                      }                     
                }
for(var j=1;j<=mnumberofsub;j++){     
thisitem=eval("msub"+j);
stringx+='<div id=msubmenudiv'+j+
                        ' style="filter:Alpha(Opacity=80);tag:'+thisitem.level+';cursor:'+mcursor+';position:absolute;'+
                        'width:'+mmenuitemwidth+'px; z-index:'+(j+200);
                        if(mmenuinbordercolor!=mmenuoutbordercolor&&msubedge=="0"){
                        stringx+=';border-left: 1px solid '+mmidoutcolor+
                        ';border-top: 1px solid '+mmidoutcolor;}
                        stringx+=';border-right: 1px solid '+mmenuinbordercolor+
                        ';border-bottom: 1px solid '+mmenuinbordercolor+';visibility:hidden" onselectstart="event.returnValue=false">\n'+
                      '<table  width="100%" border="0" height="100%" align="center" cellpadding="0" cellspacing="2" '+
                      'style="'+mfonts+' border-left: 1px solid '+mmenuoutbordercolor;
                      if(mmenuinbordercolor!=mmenuoutbordercolor&&msubedge=="0"){
                      stringx+=';border-right: 1px solid '+mmidincolor+
                      ';border-bottom: 1px solid '+mmidincolor;}
                      stringx+=';border-top: 1px solid '+mmenuoutbordercolor+
                      ';padding: 4px" bgcolor='+mmenucolor+'>\n'
                      for(var i=0;i<thisitem.items.length;i++){
                      var thismenuitem=thisitem.items[i];
                      var imgsize="";
                              if(thismenuitem.sizex!="0"||thismenuitem.sizey!="0")imgsize=" width="+thismenuitem.sizex+" height="+thismenuitem.sizey;
                              var ifspace="";
                              if(thismenu.caption!="")ifspace=" ";
                      if(thismenuitem.hasc!=null){
                      stringx += "<tr><td id=mp"+thismenuitem.hasc+" class=coolButton style='border: "+mitemedge+"px solid "+mmenucolor+
                      "' width=100% onmouseout=mmenuitem_out(true) onmouseover=\"mmenuitem_over(msubmenudiv"+j+
                      ",'"+thismenuitem.hasc+"',-1,"+j+","+i+");mshowsubmenu(msubmenudiv"+thismenuitem.hasc+",mp"+thismenuitem.hasc+",msubmenudiv"+j+");\""+
                      "><table id=mitem"+thismenuitem.hasc+" cellspacing='0' cellpadding='0' border='0' width='100%' style='"+mfonts+"'><tr><td ";
                        if(thismenuitem.pos=="0"){
                                  stringx += "><img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+">"+ifspace+thismenuitem.caption+"</td><td";
                                }else if(thismenuitem.pos=="1"){
                                  stringx += ">"+thismenuitem.caption+ifspace+"<img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+"></td><td";
                                }else if(thismenuitem.pos=="2"){
                                  stringx += "background='"+thismenuitem.img+"'>"+thismenuitem.caption+"</td><td background='"+thismenuitem.img+"'";
                                }else{
                                  stringx += ">"+thismenuitem.caption+"</td><td";
                                }

Answer 3

  stringx += " align=right width='1'><font face='Webdings' style='font-size: 6pt'>4</font></td></tr></table></td></tr>\n";                     
                      }else if(!thismenuitem.isline){
                      stringx += "<tr><td class=coolButton style='border: "+mitemedge+"px solid "+mmenucolor+
                      "' width=100% height=15px onmouseover=\"mmenuitem_over(msubmenudiv"+j+
                      ",false,-1,"+j+","+i+");\" onmouseout=mmenuitem_out() onmousedown=mmenuitem_down() onmouseup=";
                      stringx += "mmenuitem_up();mexec3("+j+","+i+"); ";
  if(thismenuitem.pos=="0"){
                                  stringx += "><img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+">"+ifspace+thismenuitem.caption+"</td></tr>";
                                }else if(thismenuitem.pos=="1"){
                                  stringx += ">"+thismenuitem.caption+ifspace+"<img align=absmiddle src='"+thismenuitem.img+"'"+imgsize+"></td></tr>";
                                }else if(thismenuitem.pos=="2"){
                                  stringx += "background='"+thismenuitem.img+"'>"+thismenuitem.caption+"</td></tr>";
                                }else{
                                  stringx += ">"+thismenuitem.caption+"</td></tr>";
                                }
                              }else{
                      stringx+='<tr><td height="1" background="/images/hr.gif" onmousemove="clearTimeout(mpopTimer);"><img height="1" width="1" src="none.gif" border="0"></td></tr>\n';
                      }
                      }
stringx+='</table>\n</div>'
}
       document.write("<div align='center' id='JsMenuCSS'>"+stringx+"</div>");
}
mpmenu1=new mMenu('网站首页','/','self','','','','');
mpmenu1.addItem(new mMenuItem(' 用户注册','/user/reg.asp','_blank',false,'用户注册',null,'','','',''));
mpmenu1.addItem(new mMenuItem(' 用户登录','/user_control/login.asp','_blank',false,'用户登录',null,'','','',''));
mpmenu1.addItem(new mMenuItem(' 用户退出','/user_control/login.asp?action=logout','_blank',false,'用户退出',null,'','','',''));
mpmenu1.addItem(new mMenuItem(' 资料修改','/user_control/Modify_Info.ASP','_blank',false,'',null,'','','',''));
mpmenu2=new mMenu('关于我们','/aboutus/index.htm','_blank','','','','');
mpmenu3=new mMenu('最新动态','/news/index.htm','_blank','','','','');
mpmenu4=new mMenu('产品展示','/product/index.asp','_blank','','','','');
mpmenu4.addItem(new mMenuItem(' ot4x8系列','/product/index.Asp','_blank',false,'ot4x8系列',null,'','','',''));
mpmenu4.addItem(new mMenuItem(' 配件系列','/product/Ot.Asp','_blank',false,'配件系列',null,'','','',''));
mpmenu4.addItem(new mMenuItem(' 其它产品','#','_blank',false,'其它产品',null,'','','',''));
mpmenu5=new mMenu('程序下载','/download/index.asp','_blank','','','','');
mpmenu6=new mMenu('售后服务','/service/index.htm','_blank','','','','');
mpmenu7=new mMenu('网上询价','/consultation/index.htm','_blank','','','','');
mpmenu8=new mMenu('技术论坛','/bbs/index.asp','_blank','','','','');
mpmenu9=new mMenu('联系我们','/contact/index.htm','_blank','','','','');
mwritetodocument();
</script>
</td></tr></table>
</td>
    </tr>
  </tbody>
</table>
现在是靠左对齐，代码太多太复杂，想实现靠右对齐或者居中，该修改什么地方？