//初始化
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";
	}
}