function leftMenu(menu,mId,sId){
	var str = "";
	var target = "_self";
	str += "<div id='leftmenu'>";
	for(var i=0;i<menu.length;i++){
		var tempStr = menu[i][1];
		if (tempStr.substr(0, 4) == "http") {
			target = "_blank"; 
		}
		str += "<div>";
		var mClass = "";
		var sClass = "";
		if(mId==i+1){
			mClass = (menu[i][2].length!=0?" m1":" m2");
			sClass = "sShow";
		}
		str += "<div class='mDiv " + mClass + "'>";
		if(menu[i][1] != ""){
			if(mId==i+1)
				str += "<span>" + menu[i][0] + "</span>";
			else
				str += "<a href='" + menu[i][1] + "' target='" + target + "'>" + menu[i][0] + "</a>";
		}
		else{
			str += "<span>" + menu[i][0] + "</span>";
		}
		str += "</div>";
		var sMenuTitle = menu[i][2];
		var sMenuUrl = menu[i][3];
		sLength = sMenuTitle.length;
		if(sLength != 0){
			for(var j=0;j<sLength;j++){
				str += "<div class='sDiv " + sClass + "'>"
				if(sId==j+1){
					str += "<span><strong>" + sMenuTitle[j] + "</strong></span>";	
				}
				else{
					str += "<a href='" + sMenuUrl[j] + "'>" + sMenuTitle[j] + "</a>";	
				}
				str += "</div>";	
			}
		}
		str += "<img src='http://home.baidu.com/resource/r/home/img/pClose.gif'></div>";
	}
	str += "</div>";
	return str;
}

function menuAbout(){
	var menu = new Array();
	menu[0] = new Array("百度简介","/about/about.html",new Array("公司介绍","管理团队","国际化","职业道德"),new Array("about.html","management.html","jp.html","ethics.html"));
	menu[1] = new Array("百度文化","/about/culture.html",new Array("文化使命","简单杂志"),new Array("culture.html","simplicity.html"));
	menu[2] = new Array("百度之路","/about/milestone/",new Array("百度大事记","光影回顾","形象短片","百度logo"),new Array("/about/milestone/","/about/photogallary.html","/about/advertising.html","/about/logo/index.html"));
	return menu;
}

function menuNews(){
	var menu = new Array();
	menu[0] = new Array("百度新闻","/news/news/","","");
	menu[1] = new Array("活动专题","/news/event/","","");
	return menu;
}

function menuProduct(){
	var menu = new Array();
	menu[0] = new Array("产品概览","product.html","","");
	menu[1] = new Array("产品大全","http://www.baidu.com/more/","","");
	menu[2] = new Array("用户帮助","http://www.baidu.com/search/jiqiao.html","","");
	menu[3] = new Array("投诉中心","http://tousu.baidu.com/","","");
	return menu;
}
function menuBusiness(){
	var menu = new Array();
	menu[0] = new Array("商业概览","business.html","","");
	menu[1] = new Array("百度推广","http://e.baidu.com/","","");
	menu[2] = new Array("互动营销","http://ad.baidu.com/","","");
	menu[3] = new Array("联盟合作","http://union.baidu.com/","","");
	return menu;
}
function menuJobs(){
	var menu = new Array();
	menu[0] = new Array("人才理念","jobs.html","","");
	menu[1] = new Array("百度招聘","http://hr.baidu.com/","","");
	menu[2] = new Array("百度校园","http://campus.baidu.com/","","");
	return menu;
}

function menuContact(){
	var menu = new Array();
	menu[0] = new Array("联系方式","/contact.html","","");
	menu[1] = new Array("参观百度","/contact/visitbaidu.html","","");
	return menu;
}


function menuTop(n){
	var str = "";
	var menutop = new Array();
	menutop[0] = new Array("首页","/index.html","","");
	menutop[1] = new Array("百度介绍","/about/about.html",new Array("百度简介","百度文化","百度之路"),new Array("/about/about.html","/about/culture.html","/about/milestone/"));
	menutop[2] = new Array("新闻中心","/news/news/",new Array("百度新闻","活动专题"),new Array("/news/news/","/news/event/"));
	menutop[3] = new Array("产品中心","/product/product.html",new Array("产品概览","产品大全","用户帮助","投诉中心"),new Array("/product/product.html","http://www.baidu.com/more/","http://www.baidu.com/search/jiqiao.html","http://tousu.baidu.com/"));
	menutop[4] = new Array("商业中心","/business/business.html",new Array("商业概览","百度推广","互动营销","联盟合作"),new Array("/business/business.html","http://e.baidu.com/","http://ad.baidu.com/","http://union.baidu.com/"));
	menutop[5] = new Array("加入我们","/jobs/jobs.html",new Array("人才理念","百度招聘","百度校园"),new Array("/jobs/jobs.html","http://hr.baidu.com/","http://campus.baidu.com/"));
	menutop[6] = new Array("联系我们","/contact.html",new Array("联系方式","参观百度"),new Array("/contact.html","/contact/visitbaidu.html"));
	menutop[7] = new Array("空间CLUB","/hiclub/hiclub.html","");
	

	
	str += "<ul id='nav'>";
	for(var i=0; i<menutop.length; i++){
		var menuid = menutop[i];
		var target = "",target2="";
		var navClass = 'fix';
		if (i == 0) {
			navClass = 'fix2';
		}

      	//if(i==4) target2 = "target='_blank'";
		str += "<li class='li" + i + " ";
		str += (n==i+1?navClass:"");
		str += "'>";
		str += "<a href='" + menuid[1] + "' " + target + ">" + menuid[0] + "</a>";
		if(menuid[2].length!=0){
			str += "<ul onMouseOver=\"parentNode.className+=' fix1'\" onMouseOut=\"setClass(parentNode)\";>";
			for(var j=0; j<menuid[2].length; j++){
				if(i==3 && (j == 1 || j == 2)) target2 = "target='_blank'";
				if(i==4 && (j == 1 || j == 2 || j == 3)) target2 = "target='_blank'";
				if(i==5 && (j == 1 || j == 2)) target2 = "target='_blank'";
				str += "<li>";
				if(menuid[2][j].constructor == window.Array){
					str += "<a href='" + menuid[2][j][1] + "'>" + menuid[2][j][0] + "</a><div class='arr'><img src='img/arr.gif'></div>";
					str += "<ul onMouseOver=\"parentNode.className+=' fix'\" onMouseOut=\"setClass(parentNode)\";>";
					for(var k=0; k<menuid[2][j][2].length; k++){
						str += "<li><a href='" + menuid[2][j][3][k] + "'>" + menuid[2][j][2][k] + "</a></li>";
					}
					str += "</ul>";
				}
				else{
					str += "<a href='" + menuid[3][j] + "' " + target2 +">" + menuid[2][j] + "</a>";
				}
				str += "</li>";
			}
			str += "</ul>";
		}
		str += "</li>";
	}
	str += "</ul>";
	document.write(str);
	showmenu();
}
function setClass(obj){
	obj.className=obj.className.replace(' fix2','');
}

function showmenu() {
  var li = document.getElementById("nav").getElementsByTagName("li");
  for (var i=0; i<li.length; i++) {
    li[i].onmouseover = function() {
      this.className += (this.className.length > 0 ? " ": "") + "show";
    }
    li[i].onmouseout = function() {
      this.className = this.className.replace(new RegExp("( ?|^)show\\b"), "");
    }
  }
}

function WriteAd(){
	var adL = ad.length;
	var str;
	var tClass;
	for(var i=0;i<adL;i++){
		str = "";
		str += "<div class=h10></div>";
		str += "<table cellpadding='0' cellspacing='0' class='tb100 ad'><tr>";
		str += "<td class='td td1'>" + ad[i][0] + "</td>";
		for(var j=1;j<ad[i].length;j++){
			tClass = "";
			tClass = j==1?"show":"hide";
			adTypeId = "adType" + i + j;
			adConId = "adCon" + i + j;
			str += "<td id='" + adTypeId + "' class='td2 " + tClass + "' onMouseOver='ShowAd(" + i + "," + j + "," + (ad[i].length-1) +");'>" + ad[i][j][0] + "</td>";
			str += "<td class='td' width=10>&nbsp;</td>";
		}
		str += "<td class='td'>&nbsp;</td>";
		str += "</tr></table>";
		str += "<div class='w100'>";
		str += "<div class='adcon' id='" + adConId + "'>";
		str += "<div id='conR" + i + "' class='fr'><img src='img/mp3_a.gif' width='361' height='271'></div>";
		str += "<div id='conL" + i + "' class='conl txt1'></div>";
		str += "<div class='clear'></div>";
		str += "</div></div>";
		document.write(str);
		g("conL" + i).innerHTML = ad[i][1][1];
		g("conR" + i).innerHTML = "<img src='img/" + ad[i][1][2] + ".gif' width=361 height=271>";
	}
}

function ShowAd(a,b,n){
	var tc = {s:"td2 show", h:"td2 hide"};	
	for(var i=1;i<=n;i++){
		g("adType"+a+i).className = i == b ? tc.s : tc.h;
		g("conL" + a).innerHTML = ad[a][b][1];
		g("conR" + a).innerHTML = "<img src='img/" + ad[a][b][2] + ".gif' width=361 height=271>";
	}
}

function g(objectId) {
  if(document.getElementById(objectId)) {
		return document.getElementById(objectId);
  }
}