与前面两个代码不同的是，广告图下方增加了一个图片按纽，允许访客点击关闭广告图片，下面文本框中就是实现效果所需代码：
var delta=0.015;
var collection;
var closeB=false;
function floaters() {
this.items = [];
this.addItem = function(id,x,y,content)
{
document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute; width:80px; height:60px;left:'+(typeof(x)=='string'?eval(x):x)+';top:'+(typeof(y)=='string'?eval(y):y)+'">'+content+'</DIV>');
var newItem = {};
newItem.object = document.getElementById(id);
newItem.x = x;
newItem.y = y;
this.items[this.items.length] = newItem;
}
this.play = function()
{
collection = this.items
setInterval('play()',30);
}
}
function play()
{
if(screen.width<=800 || closeB)
{
for(var i=0;i<collection.length;i++)
{
collection[i].object.style.display = 'none';
}
return;
}
for(var i=0;i<collection.length;i++)
{
var followObj = collection[i].object;
var followObj_x = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x);
var followObj_y = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y);
if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) {
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;
dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx));
followObj.style.left=followObj.offsetLeft+dx;
}
if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) {
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta;
dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy));
followObj.style.top=followObj.offsetTop+dy;
}
followObj.style.display = '';
}
}
function closeBanner()
{
closeB=true;
return;
}
var theFloaters = new floaters();
//
theFloaters.addItem('followDiv1','document.body.clientWidth-100',0,'<a onClick="closeBanner();" href=http://www.dfeng.net target=_blank><img src=ad/doublead/right.gif width=100 height=554 border=0></a><br><br><img src=ad/doublead/close.gif onClick="closeBanner();">');
theFloaters.addItem('followDiv2',0,0,'<a onClick="closeBanner();" href=http://www.dfeng.net target=_blank><img src=ad/doublead/ad_ad.gif width=100 height=400 border=0 ></a><br><br><img src=ad/doublead/close.gif onClick="closeBanner();">');
theFloaters.play();
把上面的代码另存为一个JS文件，然后在想实现此效果的页面用 调用即可，*代表你另存的文件名！注意修改广告图片地址和连接地址！
浮动对联广告---之左侧代码
如果您想只有一侧显示的话,下面是实现左侧效果所需代码：
var ad_float_left_src ="图片地址";
var ad_float_left_url ="地址";
var ad_float_left_type = "";
document.ns = navigator.appName == "Microsoft Internet Explorer"
var imgheight_close
var imgleft
window.screen.width>800 ? imgheight_close=120:imgheight_close=120
window.screen.width>800 ? imgleft=8:imgleft=122
function myload()
{
myleft.style.top=document.body.scrollTop+document.body.offsetHeigh
t-imgheight_close;
myleft.style.left=imgleft;
leftmove();
}
function leftmove()
{
myleft.style.top=document.body.scrollTop+document.body.offsetHeigh
t-imgheight_close;
myleft.style.left=imgleft;
setTimeout("leftmove();",50)
}
function MM_reloadPage(init) { //reloads the window if Nav4
resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&
(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight;
onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!
=document.MM_pgH) location.reload();
}
MM_reloadPage(true)
function close_float_left(){
myleft.style.visibility='hidden';
}
document.write("<div id=myleft style='position:
absolute;width:80;top:300;left:5;visibility: visible;z-index: 1'>"
+"<style>"
+"A.closefloat:link,A.refloat:visited {text-
decoration:none;color:#000000;font-size:12px}"
+"A.closefloat:active,A.refloat:hover {text-decoration:underline;color:#0000FF;font-size:12px}"
+"</style>"
+"<table border=0 cellpadding=0 cellspacing=0><tr><td>");
if(document.ns){
if(ad_float_left_type!="swf")
document.write("<a href='" + ad_float_left_url + "' target
= '_blank'><img src='" + ad_float_left_src + "' WIDTH=88
height=31 border=0></a>");
else
document.write("<EMBED src='" + ad_float_left_src + "'
quality=high WIDTH=80 HEIGHT=80 TYPE='application/x-shockwave-
flash' id=changhongout ></EMBED>");
document.write("</td></tr><tr><td width=80 height=20
align=right><a href='javascript:close_float_left();void(0);'
class=closefloat><b><font color=#ff0000>关闭</font></b></a></td></tr>"
+"</table>"
+"</div>");
myload()}
把上面的代码另存为一个*.JS文件，然后在想实现此效果的页面用
<script src="*.js"></SCRIPT>
调用即可，*代表你另存的文件名！注意修改广告图片地址和连接地址！相应的参数可以根据页面自行调整。
更多信息请查看IT技术专栏