function p$(string) {
    document.write(string);
}
function $(id) {
    return document.getElementById(id);
}
function change_menu(id, content_id, num, total_ztc_menu, menu_on, menu_off) {
    for (var i = 1; i <= total_ztc_menu; i++) {
        $(id + i).className = menu_off;
        $(content_id + i).style.display = 'none';
    }
    $(id + num).className = menu_on;
    $(content_id + num).style.display = 'block';

}
//可修改区域
var imgWidth = 470;
var imgHeight = 136;
var _timeOut_ = 5000;
//var show_text = true; //是否显示焦点文字
var timeOut = _timeOut_;
var timeOut2 = _timeOut_ / 2; //onmouseout img后需要切换的时间
var now = 0;              //第一张图
var target = "_blank";   //打开方式
var button_on = 'on'; //当前焦点对应按钮的样式名
var button_off = ''; //非当前焦点对应按钮的样式名
//不可修改区域
var imgUrl = new Array();
var imgText = new Array();
var imgLink = new Array();
var imgAlt = new Array();
var menuList = new Array(); //菜单menu
var ver = 2; //兼容浏览器版本 默认2 为非ie
var firstTime = true;
var n = -1;
//菜单menu
menuList[++n] = 'XX';
imgUrl[n] = 'ch/images/logoimages/tradeflash_one.gif';
imgText[n] = '<a href="#" target="_blank"></a>';
imgLink[n] = 'http://www.smallrain.net';
imgAlt[n] = '内容一';
//菜单menu
menuList[++n] = 'XX';
imgUrl[n] = 'ch/images/logoimages/tradeflash_three.jpg';
imgText[n] = '<a href="#" target="_blank"></a>';
imgLink[n] = 'http://www.smallrain.net';
imgAlt[n] = '内容二';
//菜单menu
menuList[++n] = 'XX';
imgUrl[n] = 'ch/images/logoimages/tradeflash_two.jpg';
imgText[n] = '<a href="#" target="_blank"></a>';
imgLink[n] = 'http://www.smallrain.net';
imgAlt[n] = '内容三';
var count = 0;
for (var i = 0; i < imgUrl.length; i++) {
    if ((imgUrl[i] != "") && (imgText[i] != "") && (imgLink[i] != "") && (imgAlt[i] != "")) {
        count++;
    } else {
        break;
    }
}
//重写css
var each_width = Math.ceil((imgWidth - (count - 1)) / count);
var last_width = imgWidth - each_width * (count - 1) - (count) + 1;
function change() {
    if (ver == 1) {
        with ($('f_img').filters[0]) {
            Transition = 1;
            apply();
            play();
        }
    }
    if (firstTime) { firstTime = false; timeOut = _timeOut_ / 1000; }
    else {
        $('f_img').src = imgUrl[now];
        $('f_img').alt = imgAlt[now];
        $('f_imgLink').href = imgLink[now];
        //if (show_text) $('f_text').innerHTML=imgText[now];  
        for (var i = 0; i < count; i++) {
            $('b' + i).className = "button";
            //$('f_menu'+i).className="";
        }
        $('b' + now).className = "on";
        //$('f_menu'+now).className="on";  
        now = (now >= imgUrl.length - 1) ? 0 : now + 1;
        timeOut = _timeOut_;
    }
    theTimer = setTimeout("change()", timeOut);
}
function b_change(num) {
    window.clearInterval(theTimer);
    now = num;
    firstTime = false;
    change();
}
//draw 渐变line （即css:f_line)
function draw_line() {
    var div = document.createElement("div");
    div.id = 'f_line';
    $('f_infoDiv').insertBefore(div, $('f_infoDiv').childNodes.item(0));
}
//表现层 start 
//图片
var a = document.createElement("a");
a.id = "f_imgLink";
a.target = target;
a.href = imgLink[now];
$('f_imgDiv').appendChild(a);
var img = document.createElement("img");
img.id = "f_img";
img.width = imgWidth;
img.height = imgHeight;
img.src = imgUrl[now];
img.alt = imgAlt[now];
a.appendChild(img);
//数字按钮
for (var i = count - 1; i >= 0; i--) {
    var div_bg = document.createElement("div");
    div_bg.id = 'div_bg' + i;
    div_bg.className = 'bg';
    $('f_buttonDiv').appendChild(div_bg);
    var a = document.createElement("a");
    a.id = 'b' + i;
    a.className = (i == now + 1) ? "button_on" : "button_off";
    a.title = imgAlt[i];
    a.innerHTML = i + 1;
    a.href = 'javascript:b_change(' + i + ')';
    $('div_bg' + i).appendChild(a);
    var div = document.createElement("div");
    $('f_buttonDiv').appendChild(div);
}
//if (show_text) $('f_text').innerHTML = imgText[now];
//表现层 end
$('f_img').onmouseover = function() { window.clearInterval(theTimer); }
$('f_img').onmouseout = function() { theTimer = setTimeout("change()", timeOut2); }
try {  //滤镜版本
    new ActiveXObject("DXImageTransform.Microsoft.Fade");
    $('f_img').filters[0].play();
    ver = 1;
    draw_line();
}
catch (e) { ver = 2; }
var theTimer = setTimeout("change()", _timeOut_ / 1000);