function ShowSub(i,p,ScreenLen)  //顯示次選單 i 次選單編號, p='top' 表上方選單，p='left' 表左方選單
  {var mA,mC ;  
   mC=eval("SubMenu" + i);        
   if (!parent.Right.document.all.ShowSubMenu)    
      {txt="<div id='ShowSubMenu' onmouseover=this.style.display='' onmouseout=this.style.display='none'></div>";        
       parent.Right.document.body.insertAdjacentHTML("BeforeEnd",txt);}      
   mA=eval(parent.Right.document.all.ShowSubMenu);              
   if (mA)
     {mA.style.position="absolute";
      if (p=='top'){mA.style.left=ScreenLen+"px";mA.style.top=parent.Right.document.body.scrollTop + "px" ;}
      if (p=='left'){mA.style.left="0px"; mA.style.top=parent.Right.document.body.scrollTop + ScreenLen + "px" ;}      
      mA.innerHTML=mC.innerHTML;  
      mA.style.display=""; }
  }

  function HideSub()    //隱藏次選單
  {var mA;      
   mA=eval(parent.Right.document.all.ShowSubMenu);    
   if (mA) mA.style.display="none";
  }