// JavaScript Document
function g(o){return document.getElementById(o);}

function setNav(nav,subnav,cursel,n){
	for(var i=1;i<=n;i++){
		var menu=g(nav+i);
		var submenu=g(subnav+i);
		menu.className=i==cursel?"hover":"";
		if(i==cursel&&i>1){var j=i-1;g(nav+j).className="nobg";}
		submenu.style.display=i==cursel?"block":"none";
		if(i==6) g(nav+i).className=i==cursel?"hover":"last";
	}
}


function hiddenNav(nav,subnav,i){
		var menu=g(nav+i);
		var submenu=g(subnav+i);
		var j=i-1;
		menu.className="";
		if(i>1){g(nav+j).className="showbg";}
		if(i==6){menu.className="last";}
		submenu.style.display="none";
}

function setTab(tab,content,cursel,n){
	for(var i=1;i<=n;i++){
		var menu=g(tab+i);
		var submenu=g(content+i);
		menu.className=i==cursel?"hover":"";
		submenu.style.display=i==cursel?"block":"none";
	}
}

function setMList(list,sublist,cursel,n){
	for(var i=1;i<=n;i++){
		var menu=g(list+i);
		var submenu=g(sublist+i);
		menu.className=i==cursel?"hover":"";
		submenu.style.display=i==cursel?"block":"none";
		if(i==5) g(list+i).className=i==cursel?"last hover":"last";
	}
}

function messageTab(name,cursel,n){
   for(i=1;i<=n;i++){
    var menu=document.getElementById(name+i);
    var con=document.getElementById("con_"+name+"_"+i);
    menu.className=i==cursel?"hover":"";
    con.style.display=i==cursel?"block":"none";
   }
}

function changePic(mapbig,mapsmall,cursel){
	g(mapbig).src=g(mapsmall+cursel).src;
	document.getElementById("container2").style.display="none";
    document.getElementById("container1").style.display="block";
}

function setLiBg(object,cursel,n){
	for(i=1;i<=n;i++){
    var menu=document.getElementById(object+i);
    if(menu)
    {
       menu.className=i==cursel?"current":"";
    }
   }
}

function showflow(li,box,cursel,n){
	for(var i=1;i<=n;i++){
		var menu=g(li+i);
		var submenu=g(box+i);
		menu.className=i==cursel?"selected":"";
		submenu.style.display=i==cursel?"block":"none";
		if(i==5) g(li+i).className=i==cursel?"last selected":"last";
	}
}

function showTxt(txt,cursel,n){
	for(i=1;i<=n;i++){
		g(txt+i).style.display=i==cursel?"block":"none";
	}
}

function setPicStyle(tab,content,cursel,n){
     SetCookie("displaystyle",cursel,1);
	for(var i=1;i<=n;i++){
		var menu=g(tab+i);
		var submenu=g(content+i);
		if(i==1){menu.className=i==cursel?"a_list lsve":"a_list";}
		else{menu.className=i==cursel?"a_bigpic lsve":"a_bigpic";}
		submenu.style.display=i==cursel?"block":"none";
	 }
	
//	alert(getCookie("displaystyle"));
}



function SetCookie(name,value,Days)//两个参数，一个是cookie的名子，一个是值
{
    //var Days = 30; //此 cookie 将被保存 30 天
    var exp  = new Date();    //new Date("December 31, 9998");
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";path=/;expires=" + exp.toGMTString();
}
function getCookie(name)//取cookies函数        
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
     if(arr != null) return unescape(arr[2]); return null;

}