var def="1";
function mover(object){
  //主菜单
  var mm=document.getElementById("m_"+object);
  mm.className="m_li_a";
  //初始主菜单先隐藏效果
  if(def!=0){
    var mdef=document.getElementById("m_"+def);
    mdef.className="m_li";
  }
//  //子菜单
//  var ss=document.getElementById("s_"+object);
//  ss.style.display="block";
//  //初始子菜单先隐藏效果
//  if(def!=0){
//    var sdef=document.getElementById("s_"+def);
//    sdef.style.display="none";
//  }
}

function mout(object){
  //主菜单
  var mm=document.getElementById("m_"+object);
  mm.className="m_li";
  //初始主菜单还原效果
  if(def!=0){
    var mdef=document.getElementById("m_"+def);
    mdef.className="m_li_a";
  }
//  //子菜单
//  var ss=document.getElementById("s_"+object);
//  ss.style.display="none";
//  //初始子菜单还原效果
//  if(def!=0){
//    var sdef=document.getElementById("s_"+def);
//    sdef.style.display="block";
//  }
}
//function monclick(object){
//  //主菜单
//  var mm=document.getElementById("m_"+object);
//  mm.className="m_li_a";
//  //初始主菜单还原效果
////  if(def!=0){
////    var mdef=document.getElementById("m_"+def);
////    mdef.className="m_li_a";
////  }
////  //子菜单
////  var ss=document.getElementById("s_"+object);
////  ss.style.display="none";
////  //初始子菜单还原效果
////  if(def!=0){
////    var sdef=document.getElementById("s_"+def);
////    sdef.style.display="block";
////  }
//}