var s=function(){
var interv=5000; //切换间隔时间
var interv2=20; 
var opac1=100; 
var source="fade_focus" 
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("li",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);}
function alpha(obj,n){
  if(document.all)
  {
    obj.style.filter="alpha(opacity="+n+")";
  }
  else
  {
  obj.style.opacity=(n/100);
  }
 }
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);
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);
  };
 }
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()
	 };
  }
var scrolltxt=function()
{
  t+=num;
  span.style.marginTop=t+"px";
  if(num<0&&t>3)
  {
    timer3=setTimeout(scrolltxt,interv2)
  }
  else if(num>0&&t<62)
  {
  timer3=setTimeout(scrolltxt,interv2)
  }
  else{scton=0}};
fadeon();
}
window.onload=s;



//与用户聊天
function sjb_CallFriend(toTmUsr){
  try{//安装
  	var xmlhttp1 = new ActiveXObject("HCLogin.DetectHcIM");
  	var ret;
	ret = xmlhttp1.IMIsStart();
	if(ret == 1)
	{
		alert("买卖通IM未运行，请先运行买卖通IM！");
	}
	else
	{
		xmlhttp1.chat_with_friend(toTmUsr);	
	}
  }
  catch(e){//没安装 

  	window.open("http://www.im.hc360.com/pop3.htm", "","toolbar=no,location=no,directories=no,status=no,menubar=no, scrollbars=no,resizable=no,copyhistory=no,width=310,height=156");
  	//window.open("http://www.im.hc360.com/IM/files/help.html");
  }
  return false;
}