function nTabs(Num,senNum)
 {
     //首先隐藏所有二级菜单
      for(j=1;j <5; j++)
      {
        document.getElementById ("menuSub"+j).style.display = "none";
      } 
      
        if(Num!=0)//如果含有二级菜单
        {
            document.getElementById("menuSub"+Num).style.display = "block";
         }    
         
        for(j=0;j <6; j++)//还原所有一级菜单
        {
            document.getElementById ("menu"+j).className = "li";
        } 
         
         //设置一级菜单样式
         document.getElementById("menu"+senNum).className = "Nav"+"2";
}
function setStyle(setNum){
  document.getElementById("menu"+setNum).className = "Nav"+"2";
  document.getElementById("menuSub"+setNum).style.display = "block";
}
var embeds=document.getElementsByTagName("embed");
for (var i=0; i<embeds.length; i++)
embeds[i].outerHTML=embeds[i].outerHTML;