var delta=0.1
var collection;
function floaters() {
this.items = [];
this.addItem = function(id,x,y,content)
{
document.write('
'+content+'
');
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()',5);
}
}
function play()
{
for(var i=0;i0?1:-1)*Math.ceil(Math.abs(dx));
followObj.style.left=followObj.offsetLeft+dx;
}
var bodytop = (document.documentElement && document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop; //xhtml1中不支持document.body.scrollTop
if(followObj.offsetTop!=(bodytop+followObj_y)) {
var dy=(bodytop+followObj_y-followObj.offsetTop)*delta;
dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy));
followObj.style.top=followObj.offsetTop+dy;
}
}
}
var theFloaters = new floaters();
theFloaters.addItem('followDiv1',10,50,'在线客服

');
theFloaters.play();