var lastScrollY = 0;
var widths = "87px";      //广告宽度
var heights = "75px";      //广告高度
var positions = "absolute";     //广告定位
var lefts = "10px";       //距离左边的距离
var rights = "10px";      //距离右边的距离
var tops = "150px";       //距离上边的距离
//var backgrounds = "url(/images/icon2/ZAI.gif) no-repeat"; //广告图片
//var backgrounds2 = "url(/images/icon2/liu.jpg) no-repeat";
var minScreenW = 1024;      //屏幕分辨率小于1024的时候不显示广告
//广告设置函数
function setBox() {
    if (window.screen.width < minScreenW) {
        var outBoxs = document.getElementById("outBox");
        //var outBoxs2 = document.getElementById("outBox2");
        outBoxs.style.display = "none";
        //outBoxs2.style.display = "none";
    }

    if (!document.getElementById) return false;
    if (!document.getElementsByTagName) return false;

    var outBox = document.createElement("div");   //定义整体框架
    //var outBox2 = document.createElement("div");
    outBox.setAttribute("id", "outBox");
    //outBox2.setAttribute("id", "outBox2");

    var innerBox = document.createElement("div"); //定义关闭按钮框架
    //var innerBox2 = document.createElement("div");
    innerBox.setAttribute("id", "innerBox");
    //innerBox2.setAttribute("id", "innerBox2");

    var aBox = document.createElement("a");
    //var aBox2 = document.createElement("a");
    var aClose = document.createElement("a");
    //var aClose2 = document.createElement("a");
    aClose.setAttribute("href", "#");
    //aClose2.setAttribute("href", "#");
    var closeImg = document.createElement("img");
    //var closeImg2 = document.createElement("img");
    closeImg.setAttribute("src", "/images/icon2/close.gif");
    closeImg.setAttribute("width", "100px");
    closeImg.setAttribute("border", "0");
    aClose.appendChild(closeImg);
//    closeImg2.setAttribute("src", "/images/icon2/close.gif");
//    closeImg2.setAttribute("width", "92px");
//    closeImg2.setAttribute("border", "0");
//    aClose2.appendChild(closeImg2);

    aBox.setAttribute("href", "http://www.ivgolf.com/Promotions/20100426.html");
    aBox.setAttribute("target", "_blank");
    //aBox2.setAttribute("href", "http://bpc.ivgolf.com/Contect/index.aspx");
    //aBox2.setAttribute("target", "_blank");

    var imgBox0 = document.createElement("img");
//    var imgBox = document.createElement("img");
//    var imgBox2 = document.createElement("img");
    imgBox0.setAttribute("src", "/images/icon2/register.jpg");
    imgBox0.setAttribute("border", "0");
    //imgBox.setAttribute("src", "/images/icon2/ZAI.gif");
    imgBox0.setAttribute("width", "100px");
    imgBox0.setAttribute("height", "300px");
//    imgBox2.setAttribute("src", "/images/icon2/liu.jpg");
//    imgBox2.setAttribute("border", "0");

    aBox.appendChild(imgBox0);
    //aBox2.appendChild(imgBox2);

    innerBox.appendChild(aClose);
    //innerBox2.appendChild(aClose2);
    outBox.appendChild(aBox);
    outBox.appendChild(innerBox);
//    outBox2.appendChild(imgBox);
//    outBox2.appendChild(aBox2);
//    outBox2.appendChild(innerBox2);

    document.body.appendChild(outBox);     //将广告框架加入到文档
    //document.body.appendChild(outBox2);

    var outBoxs = document.getElementById("outBox");   //设置左边广告牌的css属性
    outBoxs.style.width = widths;
    outBoxs.style.height = heights;
    outBoxs.style.position = positions;
    outBoxs.style.left = lefts;
    outBoxs.style.top = tops;
    //outBoxs.style.background = backgrounds;

//    var outBoxs2 = document.getElementById("outBox2");   //设置右边广告牌的css属性
//    outBoxs2.style.width = widths;
//    outBoxs2.style.height = heights;
//    outBoxs2.style.position = positions;
//    outBoxs2.style.right = rights;
//    outBoxs2.style.top = tops;
    //outBoxs2.style.background = backgrounds2;

//    var innerBox2 = document.getElementById("innerBox2");
//    innerBox2.style.width = "85px"
//    innerBox2.style.height = "25px";


    
    //关闭广告
    var innerBoxs = document.getElementById("innerBox");
    var closeBox = innerBoxs.getElementsByTagName("a");
    closeBox[0].onclick = function() {
        closeAd();
        return false;   //关闭广告的时候让浏览器不刷新页面
    }
//    var innerBoxs2 = document.getElementById("innerBox2");
//    var closeBox2 = innerBoxs2.getElementsByTagName("a");
//    closeBox2[0].onclick = function() {
//        closeAd();
//        return false;   //关闭广告的时候让浏览器不刷新页面
//    }

    setInterval("floatAd()", 1);   //循环调用floatAd这个函数，每1毫秒一次
}
//广告浮动函数
function floatAd() {
    var diffY;
    if (document.documentElement && document.documentElement.scrollTop) {
        diffY = document.documentElement.scrollTop;
    }
    else if (document.body) {
        diffY = document.body.scrollTop;
    }
    else
    { }
    percent = 0.04 * (diffY - lastScrollY);
    if (percent > 0) {
        percent = Math.ceil(percent);
    }
    else {
        percent = Math.floor(percent);
    }
    var outBoxs = document.getElementById("outBox");
    outBoxs.style.top = parseInt(outBoxs.style.top) + percent + "px";
//    var outBoxs2 = document.getElementById("outBox2");
//    outBoxs2.style.top = parseInt(outBoxs2.style.top) + percent + "px";
    //每调用一次这个函数就会加上一个percent，直到加满一个diffy为止
    lastScrollY = lastScrollY + percent;
}
//广告关闭函数
function closeAd() {
    var outBoxs = document.getElementById("outBox");
    outBoxs.style.display = "none";
//    var outBoxs2 = document.getElementById("outBox2");
//    outBoxs2.style.display = "none";
}