//栏目切换
function swap(n,len,obj){
	for(var i=1;i<=len;i++){
		var curB=document.getElementById(obj+"_t"+i);
		var curC=document.getElementById(obj+"_"+i);
		if(n==i){
			curB.className="active"
			curC.style.display="block";
		}else{
			curB.className="normal"
			curC.style.display="none";
		}
	}
} 
 function movcc (ul, delay, speed, lineHeight) {
var slideBoxp = document.getElementById(ul);
var delay = delay||1000;
var speed=speed||20;
var lineHeight = lineHeight||20;
var tid = null, pause = false;
var start = function() {
   tid=setInterval(slide, speed);
}
var slide = function() {
   if (pause) return;
   slideBoxp.scrollTop += 2;
   if ( slideBoxp.scrollTop % lineHeight == 0 ) {
    clearInterval(tid);
    slideBoxp.appendChild(slideBoxp.getElementsByTagName('ul')[0]);
    slideBoxp.scrollTop = 0;
    setTimeout(start, delay);
   
   }
}
slideBoxp.onmouseover=function(){pause=true;}
slideBoxp.onmouseout=function(){pause=false;}
setTimeout(start, delay);
}
//线路搜索
 function ss0()
 {
  var inp = document.getElementById("xlss").getElementsByTagName("input");
  var sel = document.getElementById("xlss").getElementsByTagName("select");
  var str = "?";
  if(sel[0].options[sel[0].selectedIndex].value !== "")
  {
  str += "t=" + sel[0].options[sel[0].selectedIndex].value+"&";
  }
  if(sel[1].options[sel[1].selectedIndex].value !== "")
  {
  str += "p=" + sel[1].options[sel[1].selectedIndex].value + "&";
  }
   if(sel[2].options[sel[2].selectedIndex].value !== "")
  {
  str += "l=" + sel[2].options[sel[2].selectedIndex].value+"&";
  }
   if(Jtrim(inp[1].value) !== "" && Jtrim(inp[1].value) !== "输入关键词")
  {
  str += "keywordB=" + encodeURIComponent(Jtrim(inp[1].value))+"&" ;
  }
  if(str == "?"){str = "";}
  var ss = str;
  if(str.lastIndexOf("&") == str.length-1)
  {
  ss= str.substr(0,str.length-1);
  }

  window.location.href = "http://line.uhenan.com/search.aspx"+ss;
 }

/*幻灯片切换*/
//主函数
var s=function(){
var interv=2000; //切换间隔时间
var interv2=10; //切换速速
var opac1=70; //文字背景的透明度
var source="huandeng" //焦点轮换图片容器的id名称
//获取对象
function getTag(tag,obj){
	if(obj==null){return document.getElementsByTagName(tag)
		}
	else{
		return obj.getElementsByTagName(tag)}
		}
function getid(id){
	return document.getElementById(id)
		};
var opac=0,j=0,t=63,num,scton=0,timer,timer2,timer3;
var id=getid(source);
id.removeChild(getTag("div",id)[0]);
var li=getTag("dd",id);
var div=document.createElement("div");
var title=document.createElement("div");
var span=document.createElement("span");
var button=document.createElement("div");
button.className="button";
for(var i=0;i<li.length;i++){
	var a=document.createElement("a");
	a.innerHTML=i+1;
	a.onclick=function(){
		clearTimeout(timer);
		clearTimeout(timer2);
		clearTimeout(timer3);
		j=parseInt(this.innerHTML)-1;scton=0;t=63;opac=0;fadeon();
		};

		a.className="b1";
		a.onmouseover=function(){this.className="b2"};
		a.onmouseout=function(){this.className="b1";sc(j)};button.appendChild(a);}
//控制图层透明度
function alpha(obj,n){
	if(document.all){
		obj.style.filter="alpha(opacity="+n+")";
		}
		else
			{obj.style.opacity=(n/100);}
		}
//控制焦点按钮
function sc(n){
	for(var i=0;i<li.length;i++)
		{
		button.childNodes[i].className="b1"
		};
	button.childNodes[n].className="b2";
	}
title.className="num_list";
title.appendChild(span);
alpha(title,opac1);
id.className="d1";
div.className="d2";
id.appendChild(div);
id.appendChild(title);
id.appendChild(button);
//渐显
var fadeon=function(){
	opac+=5;
	div.innerHTML=li[j].innerHTML;
	span.innerHTML=getTag("img",li[j])[0].alt;
	alpha(div,opac);
	if(scton==0){
		sc(j);num=-2;
		scrolltxt();
		scton=1
			};
		if(opac<100){
			timer=setTimeout(fadeon,interv2)
				}
			else
				{timer2=setTimeout(fadeout,interv);};
			}
//渐隐
var fadeout=function(){
	opac-=5;div.innerHTML=li[j].innerHTML;
	alpha(div,opac);
	if(scton==0){
		num=2;
		scrolltxt();
		scton=1
			};
		if(opac>0){
			timer=setTimeout(fadeout,interv2)
				}
			else
				{
				if(j<li.length-1){
					j++
						}
					else
						{j=0};fadeon()};
					}
//滚动文字
var scrolltxt=function(){
	t+=num;
	if(num<0&&t>3){
		timer3=setTimeout(scrolltxt,interv2)
			}
		else if(num>0&&t<62){timer3=setTimeout(scrolltxt,interv2)}else{scton=0}};
fadeon();
}