function addLoadEvent(func) {
  var oldonload=window.onload;
  if (typeof window.onload != 'function') {
    window.onload=func;
  } else {
    window.onload=function() {
      oldonload();
      func();
    }
  }
}
function getStyle(element,att) {
  if (element.currentStyle) {
    return element.currentStyle[att];
  } else {
    return getComputedStyle(element,false)[att];
  }
}
function getByClass(eleParent,eleClass) {
  var element=eleParent.getElementsByTagName("*");
  var eleRrent=[];
  for (var i=0; i<element.length; i++) {
    if (element[i].className==eleClass) {
      eleRrent.push(element[i]);
    }
  }
  return eleRrent;
}
    function navBar() {
      navBar=document.getElementById("navBar");
      navBarList=navBar.getElementsByTagName("ul")[0];
      navBarLi=navBarList.getElementsByTagName("li");
      for (var i=0;i<navBarLi.length;i++) {
        navBarLi[i].onmouseover=function() {
          left=getByClass(this,"left")[0];
          right=getByClass(this,"right")[0];
          left.style.transform="translateX(-15px)";
          right.style.transform="translateX(15px)";
          left.style.opacity=1;
          right.style.opacity=1;
        }
        navBarLi[i].onmouseout=function() {
          left=getByClass(this,"left")[0];
          right=getByClass(this,"right")[0];
          left.style.transform="";
          right.style.transform="";
          left.style.opacity=0;
          right.style.opacity=0;
        }
      }
    }
      function header (){
        var header = document.getElementById("header");
        var header_offsetTop = header.offsetTop;
        window.onscroll = function(){
          var scrollTop=document.body.scrollTop;
          if (scrollTop > header_offsetTop) {
            header.style.position="fixed";
            header.style.background="url(images/bg_wood.png) repeat-x";
          } else {
            header.style.position="absolute";
            header.style.background="url(images/navBar_relative_bg.png) repeat-x";
          }
        }
      }
function newsTab() {
  var news=document.getElementById("news");
  var tit=getByClass(news,"tit")[0];
  var titLi=tit.getElementsByTagName("li");
  var con=getByClass(news,"con")[0];
  var conUl=con.getElementsByTagName("ul");
  for (var i=0;i<titLi.length;i++) {
    titLi[i].index=i;
    titLi[i].onmouseover=function() {
      for (var i=0;i<conUl.length;i++) {
        conUl[i].style.display="none";
      }
      conUl[this.index].style.display="block";
    }
  }
}
function startMove(element,att,add) {
  clearInterval(element.timer);
  element.timer=setInterval(element.style[att]=add+'px',30);
}
function scrollBanner() {
  var banner=document.getElementById("banner");
  var pre=getByClass(banner,"pre")[0];
  var next=getByClass(banner,"next")[0];
  var list=getByClass(banner,"list")[0];
  var pic=list.getElementsByTagName("li");  var txt=getByClass(list,"txt");  var num=getByClass(banner,"num")[0];
  var numLi=num.getElementsByTagName("li");
  for (var i=0; i<pic.length; i++) {
    pic[i].style.background="url(images/bnr/banner_"+i+".jpg)";
  }
  function slideTxt() {
    for (var i=0; i<txt.length; i++) {
      txt[i].style.opacity=0;
    }
    txt[now].style.opacity=1;  }
  txt[0].style.opacity=1;
  txt[0].style.transition="opacity 3s ease 0s";
  function tab() {
    for(var i=0; i<numLi.length; i++) {
      numLi[i].className="";
    }
    numLi[now].className="active";
    startMove(list,"left",-(now*pic[0].offsetWidth));    slideTxt();  }
  var now=0;
  for (var i=0; i<numLi.length; i++) {
    numLi[i].index=i;
    numLi[i].onmouseover=function () {
      now=this.index;
      tab();
    }
  }
  pre.onclick=function() {
    now--;
    if (now==-1) {
      now=pic.length-1;
    }
    tab();
  }
  next.onclick=function() {
    now++;
    if (now==pic.length) {
      now=0;
    }
    tab();
  }
  var timer=setInterval(next.onclick,3000);
  banner.onmouseover=function() {
    clearInterval(timer);
  }
  banner.onmouseout=function() {
    timer=setInterval(next.onclick,3000);
  }
}
function scrollPicNews() {
  var picNews=document.getElementById("picNews");
  var list=getByClass(picNews,"list")[0];
  var pic=list.getElementsByTagName("li");
  var num=getByClass(picNews,"num")[0];
  var numLi=num.getElementsByTagName("li");
  var tit=getByClass(picNews,"tit")[0];
  var titLi=tit.getElementsByTagName("li");
  function tab() {
    for(var i=0; i<numLi.length; i++) {
      numLi[i].className="";
    }
    numLi[now].className="active";
    startMove(list,"left",-(now*pic[0].offsetWidth));
    startMove(tit,"left",-(now*titLi[0].offsetWidth));
  }
  var now=0;
  for (var i=0; i<numLi.length; i++) {
    numLi[i].index=i;
    numLi[i].onmouseover=function () {
      now=this.index;
      tab();
    }
  }
  function next() {
    now++;
    if (now==pic.length) {
      now=0;
    }
    tab();
  }
  var timer=setInterval(next,3000);
  picNews.onmouseover=function() {
    clearInterval(timer);
  }
  picNews.onmouseout=function() {
    timer=setInterval(next,3000);
  }
}
    function service() {
      var invest=document.getElementById("invest");
      var invest_li=invest.getElementsByTagName("li");
      for (var i=0; i<invest_li.length; i++) {
        invest_li[i].onmouseover=function() {
          span=this.getElementsByTagName("span")[0];
          img=this.getElementsByTagName("img")[0];
          txt=span.firstChild.nodeValue;
          img.setAttribute("src","images/service/"+txt+"_1.png");        }
        invest_li[i].onmouseout=function() {
          span=this.getElementsByTagName("span")[0];
          img=this.getElementsByTagName("img")[0];
          txt=span.firstChild.nodeValue;
          img.setAttribute("src","images/service/"+txt+".png");        }
      }
    }
    function notice(){
      var notice = document.getElementById('notice');
      var noticeList = notice.getElementsByTagName("ul")[0];
      var speed = -1;
      noticeList.innerHTML += noticeList.innerHTML;
      var noticeLi= notice.getElementsByTagName('li');
      noticeList.style.width = noticeLi.length*250+'px';
      function moveElement(){
        if(noticeList.offsetLeft<-(noticeList.offsetWidth/2)){
          noticeList.style.left = 0;
        }
        if(noticeList.offsetLeft > 0){
          noticeList.style.left = -(noticeList.offsetWidth/2)+'px';
        }        noticeList.style.left = noticeList.offsetLeft + speed + 'px';
      }
      var move = setInterval(moveElement,30);      notice.addEventListener('mouseout', function () {
        move = setInterval(moveElement,30);
      },false);
      notice.addEventListener('mousemove', function () {
        clearInterval(move);
      },false);
    }
    function special() {
      var special=document.getElementById("special");
      var specialList=special.children[0];
      var specialLi=specialList.children;
      for (var i=0;i<specialLi.length;i++) {
        specialLi[i].onmouseover=function() {
          for (var j=0;j<specialLi.length;j++) {
            animate(specialLi[j],{"width":200});
          }
          animate(this,{"width":500});
        }
      }
        special.onmouseout=function() {
          for (var i=0;i<specialLi.length;i++) {
            animate(specialLi[i],{"width":260});
          }
        }
      function animate(obj,json) {
        clearInterval(obj.timer);
        obj.timer=setInterval(function(){
          var flag=true;
          for (var k in json) {
            var leader=parseInt(getStyle(obj,k)) || 0;
            var target=json[k];
            var step=(target-leader)/10;
            step=step>0 ? Math.ceil(step):Math.floor(step);
            leader=leader+step;
            obj.style[k]=leader+"px";
            console.log("代码还在运行");
            if (leader != target) {
              flag=false;
            }
          }
          if (flag) {
            clearInterval(obj.timer);
          }
        },15);
      }
    }
addLoadEvent(navBar);
addLoadEvent(header);
addLoadEvent(newsTab);
addLoadEvent(scrollBanner);
addLoadEvent(scrollPicNews);
addLoadEvent(service);
addLoadEvent(notice);
addLoadEvent(special);