Js广告浮动代码

来源:互联网 发布:kd橱柜设计软件 编辑:程序博客网 时间:2024/06/10 21:06
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<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        #ggFloat {
            position: absolute;
            top: 0;
            left: 0;
            width: 100px;
            height: 100px;
        }
 
        #ggFloat img {
            width: 100px;
            height: 100px;
        }
    </style>
    <script>
        var x = 0;
        var y = 0;
        var flag = 1;
        var divId;
        window.onload = function () {
            divId = document.getElementById('ggFloat');
            display();
        };
        function display() {
            var width = screen.availWidth-320;//获取屏幕横坐标
            var height = screen.availHeight-134;//获取屏幕纵坐标
            if (flag == 1) {
                x++;
                y++;
            else if (flag == 2) {
                x--;
                y--;
            }
 
            if (x == 0 && y == 0) {
                flag = 1;
            else if (x >= width || y >= height) {
                flag = 2;
            }
            divId.style.left = x + 'px';
            divId.style.top = y + 'px';
            setTimeout('display()', 10);
        }
    </script>
</head>
<body>
<div id="ggFloat">
    <img src="1.gif"/>
</div>
</body>
</html>
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