window.onload=function(){
  //返回顶部
    var isScrollTopListener = setInterval(function(){
    if(window.getScrollTop()>250)
    {
      document.getElementById('gotop').style.opacity='.5';
    }else{
      document.getElementById('gotop').style.opacity='0';
    }
},200);
}
function getScrollTop()
{
    var scrollTop=0;
    if(document.documentElement&&document.documentElement.scrollTop)
    {
        scrollTop=document.documentElement.scrollTop;
    }
    else if(document.body)
    {
        scrollTop=document.body.scrollTop;
    }
    return scrollTop;
}

function gotoTop(acceleration,stime) {
   acceleration = acceleration || 0.1;
   stime = stime || 10;
   var x1 = 0;
   var y1 = 0;
   var x2 = 0;
   var y2 = 0;
   var x3 = 0;
   var y3 = 0; 
   if (document.documentElement) {
       x1 = document.documentElement.scrollLeft || 0;
       y1 = document.documentElement.scrollTop || 0;
   }
   if (document.body) {
       x2 = document.body.scrollLeft || 0;
       y2 = document.body.scrollTop || 0;
   }
   var x3 = window.scrollX || 0;
   var y3 = window.scrollY || 0;
   var x = Math.max(x1, Math.max(x2, x3));
   var y = Math.max(y1, Math.max(y2, y3));
 
   var speeding = 1 + acceleration;
   window.scrollTo(Math.floor(x / speeding), Math.floor(y / speeding));
 
   if(x > 0 || y > 0) {
       var run = "gotoTop(" + acceleration + ", " + stime + ")";
       window.setTimeout(run, stime);
   }

  //头部的代码实现
    var dsearch=document.getElementById('aSearch');
    var ddt5=document.getElementById('divMenuDetail5');
    dsearch.onmouseover=function(){
        ddt5.style.display="none";
    }
}
      

      //底部出现多个公司的动态代码实现--------made by cyy----------
    showCom();
      function showCom(){
          var comAdd=document.getElementById("comAdd");
          var addIcon=document.getElementById("addIcon");
          var btm_com=document.getElementById("btm_com");
          
          console.log('yyc-----------------------overiconin---------'+addIcon)
          addIcon.onmouseover=function(){
              console.log('overiconin')
              comAdd.style.display="block";
          }
          document.getElementById('btm_com').onmouseout = function(event){
              test(this, event);
          };
          
          function test(obj,e) {
            if (e.currentTarget) {
              console.log('current:'+e.currentTarget.id);
              // console.log('obj:'+obj.id);
              // console.log('relate:'+e.relatedTarget.id);
              if (e.relatedTarget != obj) {
                if (obj != e.relatedTarget.parentNode && obj!=e.relatedTarget.parentNode.parentNode && obj!=e.relatedTarget.parentNode.parentNode.parentNode && obj!=e.relatedTarget.parentNode.parentNode.parentNode.parentNode) {
                //here do function
                console.log('123');
                comAdd.style.display="none";
                }
              }
            }
          }
    }
    // -------------------------page made by cyy-------------
    
// -----------end page------------
function page(){
        var aTabs=document.getElementById("page").getElementsByTagName("a"),
        len=aTabs.length,
        oldIndex=1,
        i, aCon;
        console.log("tab1");

        for(i=0;i<len;i++){ $('#showpic="" +(i-1);="" +i;="" -------------三级页面的图片轮番展示----------="" ;="" atabs[0].onclick="choice;" atabs[i].classname="active" atabs[i].index="i;" atabs[i].onclick="function" atabs[len-1].onclick="null;" btn1='document.getElementById("deLeft");' btn1.onclick="function(){" btn1.style.display="none" btn2='document.getElementById("deRight");' btn2.style.display="none" choice(){="" console.log("tab2");="" console.log("tab3");="" console.log("tab4");="" document.getelementbyid(name).classname="section activeCon" for(i="0;i&lt;len-2;i++){" for(var="" function="" i="0;i&lt;len;i++){" if(i="len-2){" if(i!="len-2){" if(len="" if(len<="5){" if(oldindex="1){aTabs[0].onclick=null;}" if(this.index="len-1){i=oldIndex+1}" img').siblings().removeclass('current');="" imgdiv='document.getElementById("showPic");' imgdiv.style.left="0;" imgs='imgdiv.getElementsByTagName("img");' imgs[i].onclick="function(){" len="imgs.length;" len2="imgs.length;" mainpic='document.getElementById("mainPic");' mainpic.src="this.src;" name="section" oldindex="i;" picshow(){="" this.classname="current" var="" }="" }else="">5){
                --len;
              var left=parseInt(imgdiv.style.left);
              // if(left=="-1700"){imgdiv.style.left="0";console.log("&lt;1700")}
              left-=170;
              imgdiv.style.left=left+"px";
            }
      }
      btn2.onclick=function(){
            if(len&lt;len2){
              ++len;
             var left=parseInt(imgdiv.style.left);
              // if(left=="1700"){imgdiv.style.left="0"}
              left+=170;
              imgdiv.style.left=left+"px";
            }
      }
  }

     // tab动态效果的实现--------made by cyy----------
        function showTab(){
            var aTabs = document.getElementById('tab2'),
            aTab=aTabs.getElementsByTagName('a'),
            aClassName=aTab[1].className,
            len = aTab.length,
            i;
            
            // 给标签绑定事件
            for(i = 0; i &lt; len; i++ ){
              aTab[i].index = i; // 注意：给标签添加index属性绑定i值。
              aTab[i].onclick = function(){
                for(i = 0; i &lt; len; i++){
                  aTab[i].className = aClassName; // 重置所有标签的激活样式
                  // console.log("intab")
                  }
                  this.className =aClassName+" "+"current"; // 设置当前标签为激活状态
              };
            };
        }

        function showTab3(){
            var aTabs = document.getElementById('tab3'),
            aTab=aTabs.getElementsByTagName('a'),
            aClassName=aTab[1].className,
            len = aTab.length,
            i;
            console.log(aTab[0]);
            try{
              aTab[0].nextElementSibling.style.background="white";
            }catch(e){
                console.log("set Style Exception");
                console.log(e);
            }
            
            // 给标签绑定事件
            for(i = 0; i &lt; len; i++ ){
              aTab[i].index = i; // 注意：给标签添加index属性绑定i值。
              aTab[i].onclick = function(){
                for(i = 0; i &lt; len; i++){
                  aTab[i].className = aClassName; // 重置所有标签的激活样式
                  aTab[i].nextElementSibling.style.background="none";
                  console.log("intab2");
                  }
                  this.className =aClassName+" current"; // 设置当前标签为激活状态
                  aTab[this.index].nextElementSibling.style.background="white";
              };
            };
        }





</len;i++){>