/*********************************点击图片显示******************************/
	function getid(obj)//取对应id的元素
		  {
			return document.getElementById(obj);
		  }

	function getNames(obj,name,tij)//取obj元素下标签为tij的元素并要求满足name属性=name;返回一个数组
	{	
		var p = getid(obj);
		var plist = p.getElementsByTagName(tij);
		var rlist = new Array();
		for(i=0;i<plist.length;i++)
		{
			if(plist[i].getAttribute("name") == name)
			{
				rlist[rlist.length] = plist[i];
			}
		}
		return rlist;
	}

	function ri(obj)//取得对应的小图列表中当前元素对应的序号
	{
		var p = getid("simg").getElementsByTagName("td");
		for(i=0;i<p.length;i++)
		{
			if(obj == p[i])
			{
				return i;
			}
		}
	}

	function ci(obj)//小图选择框的处理函数
	{
		var p = getid("simg").getElementsByTagName("td");
		for(i=0;i<p.length;i++)
		{
			if(obj ==p[i])
			{
				p[i].className ="s";
			}
			else
			{
				p[i].className ="";
			}
		}
	}
	function fiterplay(obj,num,t,name)//类似页卡的函数.设置对应内容的隐藏和显示 obj:元素的id  name:元素对应的name属性的值, t:对应内容的标签 num:当前选择的元素的序号
	{
		var fitlist = getNames(obj,name,t);
		for(i=0;i<fitlist.length;i++)
		{

			if(i == num)
			{
				fitlist[i].className = "dis";
			}
			else
			{
				fitlist[i].className = "undis";
			}
		}
	}
		  
		  	
	function play(obj,n1)//播放的函数
	{
		var p = obj.parentNode.parentNode.getElementsByTagName("img");
		var au = getid(n1);
		var num = ri(obj);
		try	//ie下的处理部分
		{
			with(au)
			{
				filters[0].Apply();	//接收滤镜
				ci(obj); //变幻小图的选择.可以放在try以外.
				fiterplay(n1,num,"div","f");//设置滤镜中对应部分的显示和隐藏
				filters[0].play();	//播放滤镜
			}
		}
		catch(e)//ff下的处理部分
		{
				ci(obj);
				fiterplay(n1,num,"div","f");
		}
	}
var n=0;
function clearAuto() {clearInterval(autoStart);};
function setAuto(){autoStart=setInterval("auto(n)", 4000)}
function auto()
{
	var x = getid("simg").getElementsByTagName("td");
	n++;
	if(n>3)n=0;
	play(x[n],"au");
}
function tabs_z(o,n){
			var m_n = document.getElementById(o).getElementsByTagName("em");
			var c_n = document.getElementById(o).getElementsByTagName("ol");
			for(i=0;i<m_n.length;i++){
				 m_n[i].className=i==n?"tab_on":"";
 				 c_n[i].style.display=i==n?"block":"none";
				 }
		}

/**********************IssueList***************************/
//停留时间，相对速度（越小越快）,每次滚动多少，最好和Li的Line-height一致
function IssueList(ul, delay, speed, lineHeight) { 
	var slideBox = (typeof ul == 'string')?document.getElementById(ul):ul; 
	var delay = delay||1000; 
	var speed=speed||20; 
	var lineHeight = lineHeight||20; 
    var tid = null, pause = false; 
    var start = function() {
		if (slideBox.scrollTop >= (slideBox.scrollHeight - lineHeight)){
			slideBox.scrollTop = 0; 
			setTimeout(start2, delay);
		}
		else {
    		tid=setInterval(slide, speed); 
		}
    } 
	
	var start2 = function(){
    	tid=setInterval(slide, speed); 
	}
	
    var slide = function() { 
		if (pause) return; 
		slideBox.scrollTop += 2; 
		if (slideBox.scrollTop % lineHeight == 0) { 
			clearInterval(tid); 
			setTimeout(start, delay); 
		} 
    } 
    slideBox.onmouseover=function(){pause=true;} 
    slideBox.onmouseout=function(){pause=false;} 
    setTimeout(start, delay); 
}


/**************展会****************/
/*****图片轮换*****/
function imageRotater(id){
    var cases = "",
    album = document.getElementById(id),
    images = album.getElementsByTagName("img"),
    links = album.getElementsByTagName("a"),
    dt = album.getElementsByTagName("dt")[0],
    length = images.length,
    aIndex = 1,
    aBefore = length;
    for(var i=0;i< length;i++){
      cases += images[i].id + ':"'+images[i].getAttribute("src")+'",'
    }
    images[0].style.cssText = "position:absolute;top:0;left:0;";//修正图片位置错误
    var tip = document.createElement("dd");
    tip.style.cssText = "position:absolute;bottom:0;height:20px;width:300px;padding:4px;color:#fff;background:#fff;font-size:12px;left:0px;padding-left:10px;";
    album.insertBefore(tip,dt.nextSibling);
    if(!+"\v1"){
      tip.style.color = "#369";
      tip.style.filter = "alpha(opacity=67)"
    }else{
      tip.style.cssText += "background: rgba(164, 173, 183, .65);"
    }
    cases = eval("({"+cases.replace(/,$/,"")+"})");
    for(var i=0;i<length;i++){
      links[i].onclick = function(e){
        e =e || window.event;
        var index = this.toString().split("#")[1];
        aIndex = index.charAt(index.length-1);//☆☆☆☆
        images[0].src = cases[index];
        tip.innerHTML = "<div style='float:left;padding-top:3px;padding-left:10px;'>"+images[aIndex -1].getAttribute("alt")+"</div>";
          !+"\v1" ?(e.returnValue = false) :(e.preventDefault());
      }
    }
    var prefix = images[0].id.substr(0,images[0].id.length -1);
    (function(){
      setTimeout(function(){
        if(aIndex > length){
          aIndex = 1;
        }
        images[0].src = cases[prefix+aIndex];
        tip.innerHTML = images[aIndex -1].getAttribute("alt");
        tip.style.bottom = "-20px";
        links[aBefore-1].className = "";
        links[aIndex-1].className = "hover";
        aBefore = aIndex;
        aIndex++;
        move(tip);
        setTimeout(arguments.callee,3000)
      },3000)
    })()
    var move = function(el){
      var begin = parseFloat(el.style.bottom),
      speed = 1;
      el.bottom = begin;
      (function(){
        setTimeout(function(){
          el.style.bottom = el.bottom + speed + "px";
          el.bottom += speed;
          speed *= 1.5;//下一次移动的距离
          if(el.bottom >= 0){
            el.style.bottom = "0px";
          }else{
            setTimeout(arguments.callee,23);
          }
        },25)
      })()
    }
  }


/******************播放*********************/
function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}
/******************播放-END*********************/