JavaScript制作会反弹的浮动图片

现在网上流行会弹来弹去的浮动图片想给自己的网页也加上一个吗？其实很简单把下面这段代码加到网页的之间然后把图片换成你中意的就OK啦！

到这里下载示例代码

< div id=img >

< a _blank>

< img src=eschoolbuttongif >

< /a>

< /div>

< SCRIPT LANGUAGE=JavaScript>

< ! Begin

var xPos = ;

var yPos = documentbodyclientHeight;

var step = ;

var delay = ;

var height = ;

var Hoffset = ;

var Woffset = ;

var yon = ;

var xon = ;

var pause = true;

var interval;

imgstyletop = yPos;

function changePos() {

width = documentbodyclientWidth;

height = documentbodyclientHeight;

Hoffset = imgoffsetHeight;

Woffset = imgoffsetWidth;

imgstyleleft = xPos + documentbodyscrollLeft;

imgstyletop = yPos + documentbodyscrollTop;

if (yon) {

yPos = yPos + step;

}

else {

yPos = yPos step;

}

if (yPos < ) {

yon = ;

yPos = ;

}

if (yPos >= (height Hoffset)) {

yon = ;

yPos = (height Hoffset);

}

if (xon) {

xPos = xPos + step;

}

else {

xPos = xPos step;

}

if (xPos < ) {

xon = ;

xPos = ;

}

if (xPos >= (width Woffset)) {

xon = ;

xPos = (width Woffset);

}

}

function start() {

imgvisibility = visible;

interval = setInterval(´changePos()´ delay);

}

start();

// End >

< /script >