document.writeln("<div id='adsimg253' style='position:absolute;' onMouseOver='pause=false;' onMouseOut='pause=true;'>");
document.write("<a href='http://www.beiww.com/ads/clickads.php?id=253' target='_blank'><img src='http://www.beiww.com/images/09ad_cx182_70.gif' border='0' width='180' height='72' alt=''></a>");
document.writeln("</div>");

var delay = 30;
var xPos = 20;
var yPos = 20;
var step = 1;
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;

adsimg253.style.top = yPos;
function changePos253() {
if (pause) {
width = document.body.clientWidth;
height = document.body.clientHeight;
Hoffset = adsimg253.offsetHeight;
Woffset = adsimg253.offsetWidth;
adsimg253.style.left = xPos + document.body.scrollLeft;
adsimg253.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 phpcms_ads_fudong() {
adsimg253.visibility = "visible";
interval = setInterval('changePos253()', delay);
}
phpcms_ads_fudong();