$(document).ready(function() {
//    var name = $('#ad');  //滚动广告的ID
//    function showAd(time) {
//        setTimeout(function() {
//            $(name).show();
//        }, time);
//    }

//    function hideAd(time) {
//        setTimeout(function() {
//            $(name).hide();
//        }, time);
//    }

//    $('#close').click(function() {
//        $(name).hide();
//    });


//    showAd(1000); //页面加载完毕多久后显示广告

//    //hideAd(31000); //页面加载完毕多久后关闭广告

//    function scrollAd() {
//        var offset = $(window).height() - $(name).height() + $(document).scrollTop();
//        $(name).animate({ top: offset }, { duration: 800, queue: false });
//    }

//    scrollAd();

//    $(window).scroll(scrollAd);
});
//swfobject.embedSWF("../images/floatAd.swf", "link", "160", "189", "9.0.0");
var opObjectParams = {};
opObjectParams.wmode = "transparent";
opObjectParams.menu = "false";
swfobject.embedSWF("../images/floatAd.swf", "link", "250", "250", "9.0.0", "install_flash_player.swf", null, opObjectParams);

var xPos = document.body.clientWidth - 20;
var yPos = document.body.clientHeight / 2;
var step = 1;
var delay = 6;
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
img.style.top = yPos;
function changePos() {
    width = document.body.clientWidth;
    height = document.body.clientHeight;
    Hoffset = img.offsetHeight;
    Woffset = img.offsetWidth;
    img.style.left = xPos + document.body.scrollLeft;
    img.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 start() {
    img.visibility = "visible";
    interval = setInterval('changePos()', delay);
}
function pause_resume() {
    if (pause) {
        clearInterval(interval);
        pause = false;
    } else {
        interval = setInterval('changePos()', delay);
        pause = true;
    }
}
start();