网页两边悬浮广告的制作方法

网页两边悬浮广告的制作方法

var delta=0.15
var collection;
function floaters() {
this.items = [];
this.addItem = function(id,x,y,content)
{
document.write('

'+content+'

');

var newItem = {};
newItem.object = document.getElementByIdx(id);
newItem.x = x;
newItem.y = y;
this.items[this.items.length] = newItem;
}
this.play = function()
{
collection = this.items
setInterval('play()',10);
}
}
function play()
{
for(var i=0;i{
var followObj = collection[i].object;
var followObj_x = (typeof(collection[i].x)=='string'?eval_r(collection[i].x):collection[i].x);
var followObj_y = (typeof(collection[i].y)=='string'?eval_r(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 = '';
}
}

var theFloaters = new floaters();
theFloaters.addItem('followDiv1','document.body.clientWidth-112',230,'

');
theFloaters.addItem('followDiv2',12,230,'

');
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！相应的参数可以根据页面自行调整。