手机（wap）网页底部固定悬浮广告带轮播特效代码

// 作者：xycms
// 网址：http://wwww.jsxyidc.com
// 日期：2019-03-3
// QQ：364500483
// code：网页底部悬浮广告代码，带单独关闭


var fc_fw="800px";  //广告宽度,单位px,如自适应宽度就改为100%;
var fc_fh="100px";    //广告高度,单位px
var fc_fsrc=['images/b1.jpg','images/b2.jpg','images/b3.jpg'];//图片地址[个数要和链接个数对应]
var fc_fl=['https://www.csdn.net/','https://www.csdn.net/','https://www.csdn.net/'];//图片链接地址[个数要和图片地址个数对应]


//样式
document.writeln("");

document.writeln("
");
document.writeln("
");
document.writeln("
");
for(var k = 0; k < fc_fsrc.length; k++){
document.writeln("
");
}
document.writeln("
");
document.writeln("
");
for(var h = 0; h < fc_fsrc.length; h++){
	if(h==0){
		document.writeln("
1
");
	}else{
		document.writeln("
"+(h+1)+"
");
	}
}
document.writeln("
");
document.writeln("关闭X");
document.writeln("
");
document.writeln("
");


	var f_skyf = document.getElementById('f_skyf'),f_str_f = document.getElementById('f_str_f'),flist_f = document.getElementById('flist_f').getElementsByTagName('li'),index_f = 0,time_f = null;
	// 若果有在等待的定时器，则清掉
	if(time_f){
		clearInterval(time_f);
		time_f = null;
	}
	// 自动切换
	time_f = setInterval(autoPlayfoot, 2000);
	// 定义并调用自动播放函数
	function autoPlayfoot(){
		index_f++;
		if(index_f >= flist_f.length){
			index_f = 0;
		}
		changeImg(index_f);
	}
	
	// 定义图片切换函数
	function changeImg(curindex_f){
		for(var j = 0; j < flist_f.length; j++){
			flist_f[j].className = "";
			//f_skyf.style.top=0;
		}
		// 改变当前显示索引
		flist_f[curindex_f].className = "on";
		f_str_f.style.marginTop = -fc_fh.substring(0,fc_fh.length-2)*curindex_f + "px"; //高度
		index_f = curindex_f;
	}
	
	// 鼠标划过整个容器时停止自动播放
	f_skyf.onmouseover = function(){
		clearInterval(time_f);
	}
	
	// 鼠标离开整个容器时继续播放至下一张
	f_skyf.onmouseout = function(){
		time_f = setInterval(autoPlayfoot, 2000);
	}
	
	// 遍历所有数字导航实现划过切换至对应的图片
     for (var i = 0; i < flist_f.length; i++){
		 flist_f[i].id = i;
         flist_f[i].onmouseover = function() {
             clearInterval(time_f);
             changeImg(this.id);
         }
     }


var btn_closef = document.getElementById("btn_closef");
var f_div_f = document.getElementById("fc_foot");
btn_closef.onclick = function(){
	if(f_div_f){
		f_div_f.style.display = "none";
	}
}