//获取对象
	function getid(o) { return (typeof o == "object") ? o : document.getElementById(o); }
    //获取对象数组
	function getNames(obj, id, tij) {
        var plist = getid(obj).getElementsByTagName(tij);
        var rlist = new Array();
        for (i = 0; i < plist.length; ++i) { if (plist[i].id == id) { rlist[rlist.length] = plist[i]; } }
        return rlist;
    }
	//过滤播放
    function fiterplay(obj, num, t, id, c1, c2) {
        var fitlist = getNames(obj, id, t);
        for (i = 0; i < fitlist.length; ++i) {
            if (i == num) {
                fitlist[i].className = c1;
            }
            else {
                fitlist[i].className = c2;
            }
        }
    }
	//播放的操作
    function play(obj, num) {
        var s = getid('simg'); //按钮
        //var i = getid('info'); //标题
        var b = getid('bimg'); //图片
        try {
            with (b) {
                filters[0].Apply();
                fiterplay(b, num, "div", "f", "dis", "undis");
                fiterplay(s, num, "li", "imgbtn", "on", "");
                //fiterplay(i, num, "div", "f", "dis", "undis");
                filters[0].play();
            }
        }
        catch (e) {
            fiterplay(b, num, "div", "f", "dis", "undis");
            fiterplay(s, num, "li", "imgbtn", "on", "");
            //fiterplay(i, num, "div", "f", "dis", "undis");
        }
    }
	//注册事件
	function addEventSimple(evt, el, handler){
		if(el.addEventListener){
			el.addEventListener(evt, handler, false);
		}else if(el.attachEvent){
			el.attachEvent('on'+evt, function(){
			return handler.call(el, window.event);
		 });
		}else{
		 //var oldHandler = el['on'+evt] || function(){};
		 el['on'+evt] = handler;
		}
	}
	//触发的事件方法
	function clickmonth(evt){
		var src = evt.srcElement ? evt.srcElement : evt.target;    
		//alert(src.id);
		n = src.name;
		play(src, n);
	}
	//播完不重复
    function clearAuto() { clearInterval(autoStart); };
	//延迟3秒开始
    function setAuto() { autoStart = setInterval("auto(n)", 5000) }
    //自动开始
	function auto() {

        n++;
        if (n > (x.length - 1)) {
            n = 0;
            //clearAuto(); //停止自动播放
        }
        play(x[n], n);
    }

	//开始播放
    function ppp() {
		setAuto();
    }
	
var b = getid("bimg"); //图片
var st = b.getElementsByTagName("div");
var nums = [];
//插入数字
for(var i = 0, n = st.length-2; i <= n;){
	nums[i] = document.getElementById("idNum")
	var obj = document.createElement("li");
	nums[i].appendChild(obj);
	obj.id = "imgbtn";
	obj.name = i;
	addEventSimple("click",obj,clickmonth);
	if(i==0){
		st[i].className = "dis";
		obj.className = "on";
	}
	//obj.style.top=getIEPosY(b) + (b.offsetHeight - 40)+"px";
 	//obj.style.left=getIEPosX(b)+ (b.offsetWidth - 180) + "px";
	//alert(obj.style.top);
	//alert(obj.style.left);
	obj.innerHTML = ++i;
	//obj.attachEvent("onclick",alert());
}

var autoStart = 0;
var n = 0; 
var s = getid("simg");
s.style.top="550px";
s.style.left="580px";
var x = getNames(s, "imgbtn", "li");
ppp();