var counts = 5;
img1 = new Image();
img1.src = 'images/2561.jpg';
img2 = new Image();
img2.src = 'images/2562.jpg';
img3 = new Image();
img3.src = 'images/2563.jpg';
img4 = new Image();
img4.src = 'images/2564.jpg';
img5 = new Image();
img5.src = 'images/dongweijing_03.jpg';
 


var smallImg = new Array();
//小图
smallImg[0] = 'images/index_adb1.gif';
smallImg[1] = 'images/index_adb2.gif';
smallImg[2] = 'images/index_adb3.gif';
smallImg[3] = 'images/index_adb4.gif';
smallImg[4] = 'images/wu.jpg';

//链接地址
url1 = new Image();
url1.src = '#';
url2 = new Image();
url2.src = '#';
url3 = new Image();
url3.src = '#';
url4 = new Image();
url4.src = '#';
url5 = new Image();
url5.src = '#';
//alt值
alt1 = new Image();
alt1.alt = '';
alt2 = new Image();
alt2.alt = '';
alt3 = new Image();
alt3.alt = '';
alt4 = new Image();
alt4.alt = '';
alt5 = new Image();
alt5.alt = '';

var nn = 1;
var key = 0;
function change_img() {
    if (key == 0) {
        key = 1;
    } else if (document.all) {
        document.getElementById("pic").filters[0].Apply();
        document.getElementById("pic").filters[0].Play(duration = 2);
    }
    eval('document.getElementById("pic").src=img' + nn + '.src');
    eval('document.getElementById("url").href=url' + nn + '.src');
    eval('document.getElementById("pic").alt=alt' + nn + '.alt');
    if (nn == 1) {
        document.getElementById("url").target = "_blank";
        document.getElementById("url").style.cursor = "pointer";
    } else {
        document.getElementById("url").target = "_blank"
        document.getElementById("url").style.cursor = "pointer"
    }
    for (var i = 1; i <= counts; i++) {
        document.getElementById("xxjdjj" + i).className = 'axx';
    }
    document.getElementById("xxjdjj" + nn).className = 'bxx';
    nn++;
    if (nn > counts) {
        nn = 1;
    }
    tt = setTimeout('change_img()', 5000);
}
function changeimg(n) {
    nn = n;
    window.clearInterval(tt);
    change_img();
}
function ImageShow() {
    document.write('<div class="picshow_main">');
    document.write('<div><a id="url"><img id="pic" class="imgbig" /></a></div>');
    document.write('<div class="picshow_change">');
    for (var i = 0; i < counts; i++) {
        document.write('<a href="javascript:changeimg(' + (i + 1)
     + ');" id="xxjdjj' + (i + 1)
     + '" class="axx" target="_self"><img src="' + smallImg[i]
     + '"></a>');
    }
    document.write('</div></div>');
    change_img();
}
//图片滚动展示 End
ImageShow();