浮動廣告代碼

<SCRIPT language=JavaScript>

<!-- Begin //

var xPos = 100;

//設置浮動廣告層在瀏覽器X軸方向的起始位置

var yPos = document.body.clientHeight;

//設置浮動廣告層在瀏覽器Y軸方向的起始位置，在瀏覽器窗口的最下邊

var step = 2;

//設置浮動廣告層在窗口中每次移動的幅度

var delay = 30;

//設置浮動廣告層在窗口中每次移動時的延遲時間

var height = 0;

var Hoffset = 0;

var Woffset = 0;

var yon = 0;

var xon = 0;

var pause = true;

var interval;

fudong.style.top = yPos;

function changePos() {

width = document.body.clientWidth;

height = document.body.clientHeight;

Hoffset = fudong.offsetHeight;

Woffset = fudong.offsetWidth;

fudong.style.left = xPos + document.body.scrollLeft;

fudong.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() {

fudong.visibility = "visible";

interval = setInterval('changePos()', delay);

}

function pause_resume() {

if(pause) {

clearInterval(interval);

pause = false;

}

else {

interval = setInterval('changePos()',delay);

pause = true;

}

}

start();

// End -->

</SCRIPT>

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