var links = new Array();
var imgs = new Array();
var tits = new Array();
links[1] = "";
imgs[1] = new Image();
imgs[1].src = "https://www.mzrd.gov.cn//upload/download/6498";
tits[1] ="以习近平法治思想为指引，坚定不移走中国特色社会主义法治道路";
links[2] = "";
imgs[2] = new Image();
imgs[2].src = "https://www.mzrd.gov.cn//upload/download/6499";
tits[2] ="尊崇宪法、学习宪法、遵守宪法、维护宪法、运用宪法";
links[3] = "";
imgs[3] = new Image();
imgs[3].src = "https://www.mzrd.gov.cn//upload/download/6500";
tits[3] ="共建法治梅州，共享美好生活";
links[4] = "";
imgs[4] = new Image();
imgs[4].src = "https://www.mzrd.gov.cn//upload/download/6501";
tits[4] ="弘扬法治精神，传播法治文明，建设法治梅州";

var imgwidth = 1200;//图片宽度
var imgheight = 140;//图片宽度
var str = "";
str += "<span style='position:relative'>";
str += "<span><a id='dlink' href='" + links[1] + "' target='_blank'><img id='dimg' src='" + imgs[1].src + "' border='0' width='" + imgwidth + "' height='"+imgheight+"' style='filter:Alpha(opacity=100)' onmouseover='Pause(true)' onmouseout='Pause(false)'></a></span>";
//修改点1：循环添加内层div内容以增加个数
str += "</span>";
document.write(str);
var oi = document.getElementById("dimg");
var pause = false;
var curid = 1;
var lastid = 1;
var sw = 1;
var opacity = 100;
var speed = 15;
var delay = (document.all)? 400:700;

function SetAlpha(){
	if(document.all){
		if(oi.filters && oi.filters.Alpha) oi.filters.Alpha.opacity = opacity;
	} else {
		oi.style.MozOpacity = ((opacity >= 100)? 99:opacity) / 100;
	}
}


function ImgSwitch(id, p){
	if(p){
		pause = true;
		opacity = 100;
		SetAlpha();
	}
	oi.src = imgs[id].src;
	document.getElementById("dlink").href = links[id];
	//document.getElementById("it" + lastid).className = "off";
	//document.getElementById("it" + id).className = "on";
	//document.getElementById("titnv").innerHTML = "<b>" + tits[id] + "</b>";
	curid = lastid = id;
}

function ScrollImg(){
	if(pause && opacity >= 100) return;
	if(sw == 0){
		opacity += 2;
		if(opacity > delay){ opacity = 100; sw = 1; }
	}
	if(sw == 1){
		opacity -= 3;
		if(opacity < 10){ opacity = 10; sw = 3; }
	}
	SetAlpha();
	if(sw != 3) return;
	sw = 0;
	curid++;

	if(curid > 5) curid = 1;
	ImgSwitch(curid, false);
}

function Pause(s){
	pause = s;
}

function StartScroll(){
	setInterval(ScrollImg, speed);
}

function CheckLoad(){
	if (imgs[1].complete == true && imgs[2].complete == true) {
		clearInterval(checkid);
		setTimeout(StartScroll, 2000);
	}
}
var checkid = setInterval(CheckLoad, 10);