//banner图片切换
nextAd();
//明星图片切换
nextmx();
//关于产品图片切换
nextab();

//滚动案例
var casestopscroll = false;
var casescrollElem = document.getElementById("casewrap");
casescrollElem.onmouseover = new Function('casestopscroll = true');
casescrollElem.onmouseout  = new Function('casestopscroll = false');
var casepreTop = 0;
var casecurrentTop = 0;
var casestoptime = 0;
var caseleftElem = document.getElementById("caseimgs");
casescrollElem.appendChild(caseleftElem.cloneNode(true));
caseinit_srolltext();
function caseinit_srolltext(){
 casescrollElem.scrollTop = 0;
 setInterval('casescrollUp()', 50);//后面的这个参数115, 是确定滚动速度的, 数值越小, 速度越快
}
function casescrollUp(){
 if(casestopscroll) return;
 casecurrentTop += 2; //设为1, 可以实现间歇式的滚动; 设为2, 则是连续滚动
 if(casecurrentTop == 19) {
  casestoptime += 1;
  casecurrentTop -= 1;
  if(casestoptime == 180) {
   casecurrentTop = 0;
   casestoptime = 0;
  }
 }else{
  casepreTop = casescrollElem.scrollTop;
  casescrollElem.scrollTop += 1;
  if(casepreTop == casescrollElem.scrollTop){
   casescrollElem.scrollTop = 0;
   casescrollElem.scrollTop += 1;
  }
 }
}

//滚动认证证书
var certstopscroll = false;
var certscrollElem = document.getElementById("certwrap");
certscrollElem.onmouseover = new Function('certstopscroll = true');
certscrollElem.onmouseout  = new Function('certstopscroll = false');
var certpreTop = 0;
var certcurrentTop = 0;
var certstoptime = 0;
var certleftElem = document.getElementById("certimgs");
certscrollElem.appendChild(certleftElem.cloneNode(true));
certinit_srolltext();
function certinit_srolltext(){
 certscrollElem.scrollTop = 0;
 setInterval('certscrollUp()', 50);//后面的这个参数115, 是确定滚动速度的, 数值越小, 速度越快
}
function certscrollUp(){
 if(certstopscroll) return;
 certcurrentTop += 2; //设为1, 可以实现间歇式的滚动; 设为2, 则是连续滚动
 if(certcurrentTop == 19) {
  certstoptime += 1;
  certcurrentTop -= 1;
  if(certstoptime == 180) {
   certcurrentTop = 0;
   certstoptime = 0;
  }
 }else{
  certpreTop = certscrollElem.scrollTop;
  certscrollElem.scrollTop += 1;
  if(certpreTop == certscrollElem.scrollTop){
   certscrollElem.scrollTop = 0;
   certscrollElem.scrollTop += 1;
  }
 }
}