jQuery实现圣诞节礼物传送（花式轮播）

<div class="cr">
 <div class="cr-l"><img src="img/fatherCh.png" alt=""/></div>
 <div class="cr-icon">
  <div id="cr-icon">
  <img style="left:5%" src="img/gift2.png" alt=""/>
  <img style="left:25%" src="img/gift2.png" alt=""/>
  <img style="left:45%" src="img/gift2.png" alt=""/>
  <img style="left:65%" src="img/gift2.png" alt=""/>
  <img style="left:85%" src="img/gift2.png" alt=""/>
  </div>
 </div>
 <div class="cr-r"><img src="img/family.png" alt=""/></div>
 </div>

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
   }
 .cr{
  width: 100%;
  position: relative;
  background: url("../img/bg.png") no-repeat 0 0;
  -webkit-background-size: 100% 100%;
  background-size: 100% 100%;
  overflow: hidden;
 }
 .cr-l,.cr-r{
  position: absolute;
  bottom:10%;
  width: 20.8%;
  height: 70%;
  z-index:100;
 }
 .cr-l img,.cr-r img{
  width: 100%;
  position: absolute;
  :50%;
 }
 .cr-l{
  left: 0;
 }
 .cr-r{
  right:0;
 }
 .cr-icon{
  bottom: 15%;
  left:0;
  position: absolute;
  z-index: 1000;
  width: 100%;
  height: 70%;
  text-align: center;
 }
 .cr-icon img{
  margin-right: 25px;
  width: 10%;
  vertical-align: ;
  position: absolute;
  bottom: 0;
  opacity: 1;
  transform:rotate(0deg);
  transition: all 1s;
 }
 .cr-icon img:first-child{
  transform:rotate(-90deg);
  -webkit-transform:rotate(-90deg);
  opacity: 0;
  width: 0;
 }
 .cr-icon img:last-child{
  transform:rotate(90deg);
  -webkit-transform:rotate(90deg);
  opacity: 0;
  width: 0;
 }

$(function() {
 // 点击礼物图片，切换图片
 $('#cr-icon img').click(function(){
  if($(this).attr('src') == 'img/gift2.png'){
  $(this).attr('src','img/gift.png');
  }else{
  $(this).attr('src','img/gift2.png');
  }
 });
 var timer = null;
 var oImg = $('#cr-icon img');
 var end = document.body.clientWidth;
 var height = document.body.scrollHeight;
 // 设置高
 $(".cr").css("height",height);
 // 设置图片的初始位置
 for(var i=0;i<oImg.length;i++){
  $(oImg[i]).css('left', 5+i20+'%');
 }
 // 图片轮换函数
 function scrollLogo(){
  oImg.each(function(){
  var left = parseInt($(this).css('left'));
  left += end  0.2;
  $(this).css('left',left);
  });
  $('#cr-icon img:last').insertBefore('#cr-icon img:first').css('left',end  0.05);
 }
 scrollLogo();
 // 定时器，开始轮换
 timer = setInterval(scrollLogo,1800);
 // 鼠标移入清楚轮换
 oImg.mouseover(function(){
  clearInterval(timer);
 });
 // 鼠标移出开始轮换
 oImg.mouseleave(function() {
  timer = setInterval(scrollLogo,1800);
 });
 });