< script type = " text/javascript " >
var  imagepath = " /andy.jpg "
var  imagewidth = 198   // 这两行写图片的大小
var  imageheight = 158
var  speed = 2 ;
var  imageclick = " /andy.php "   // 这里写点击图片连接到的地址
var  hideafter = 0
var  isie = 0 ;
if (window.navigator.appName == " Microsoft Internet Explorer " && window.navigator.appVersion.substring(window.navigator.appVersion.indexOf( " MSIE " ) + 5 ,window.navigator.appVersion.indexOf( " MSIE " ) + 8 ) >= 5.5 ) {
isie = 1 ;
}
else  {
isie = 0 ;
}
if (isie){
var  preloadit = new  Image()
preloadit.src = imagepath
}
function  pop() {
if (isie) {
x = x + dx;y = y + dy;
oPopup.show(x, y, imagewidth, imageheight);
if (x + imagewidth + 5 > screen.width) dx =- dx;
if (y + imageheight + 5 > screen.height) dy =- dy;
if (x < 0 ) dx =- dx;
if (y < 0 ) dy =- dy;
startani = setTimeout( " pop(); " , 50 );
}
}
function  dismisspopup(){
clearTimeout(startani)
oPopup.hide()
}
function  dowhat(){
if  (imageclick == " dismiss " )
dismisspopup()
else
window.open(imageclick);
}
if (isie) {
var  x = 0 ,y = 0 ,dx = speed,dy = speed;
var  oPopup  =  window.createPopup();
var  oPopupBody  =  oPopup.document.body;
oPopupBody.style.cursor = " hand "
oPopupBody.innerHTML  =   ' <IMG SRC=" ' + preloadit.src + ' "> ' ;
oPopup.document.body.onmouseover = new  Function( " clearTimeout(startani) " )
oPopup.document.body.onmouseout = pop
oPopup.document.body.onclick = dowhat
pop();
if  (hideafter > 0 )
setTimeout( " dismisspopup() " ,hideafter * 1000 )
}
</ script >