//图片地址
var hbcms_img_src = '/images/hand.jpg';

//连接的网址
var hbcms_img_url = "/zhaoshang.htm";

//图片宽度
var hbcms_img_w = '150';

//图片高度
var hbcms_img_h = '70';

//鼠标移动到图片上显示的文字
var hbcms_img_alt = '点击看效果';

document.write('<div id=dd style="Z-INDEX: 1; WIDTH: ' + hbcms_img_w + 'px; POSITION: absolute; HEIGHT: ' + hbcms_img_h + 'px"> <a href="' + hbcms_img_url + '"'+'target="_blank"'+'><img src="' + hbcms_img_src + '" width="' + hbcms_img_w + '" height="' + hbcms_img_h + '" border="0" alt="' + hbcms_img_alt + '" onMouseOver="pause_resume();" onMouseOut="pause_resume();"></a></div> ');
var xPos = 20; // 起始横向位置(从左算起，单位象素) 
var yPos = document.body.clientHeight; // 页面本身高度 
var step = 1;
var delay = 30; // 速度，值越大速度越慢 
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
dd.style.top = yPos;

function hbcms_changePos() {
    width = document.body.clientWidth; // 判断浏览器窗口的宽度 
    height = document.body.clientHeight; // 判断浏览器窗口的高度 
    Hoffset = dd.offsetHeight;
    Woffset = dd.offsetWidth;
    dd.style.left = xPos + document.body.scrollLeft;
    dd.style.top = yPos + document.body.scrollTop;
    if (yon) {
        yPos = yPos + step;
    }
    else {
        yPos = yPos - step;
    }
    if (yPos < 0) {
        yon = 1;
        yPos = 0;
    }
    if (yPos >= (height - Hoffset)) {
        yon = 0;
        yPos = (height - Hoffset);
    }
    if (xon) {
        xPos = xPos + step;
    }
    else {
        xPos = xPos - step;
    }
    if (xPos < 0) {
        xon = 1;
        xPos = 0;
    }
    if (xPos >= (width - Woffset)) {
        xon = 0;
        xPos = (width - Woffset);
    }
}

function hbcms_start_pp() {
    dd.visibility = "visible";
    interval = setInterval('hbcms_changePos()', delay);
}
function pause_resume() {
    if (pause) { clearInterval(interval); pause = false; }
    else { interval = setInterval('hbcms_changePos()', delay); pause = true; }
}
hbcms_start_pp();