var delta = 0.08
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()', 10);
}
}
function play() {
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 = '';
}
}
var theFloaters = new floaters();
// 右面
/*theFloaters
.addItem(
'followDiv1',
'document.body.clientWidth-80',
470,
'');
*/// 左面
theFloaters
.addItem(
'followDiv1',
6,
470,
'');
theFloaters.play();
/*
* 图片方法 // 右面 theFloaters .addItem( 'followDiv1',
* 'document.body.clientWidth-90', 470, '
'); // 左面 theFloaters .addItem(
* 'followDiv2', 6, 470, '
'); theFloaters.play();
*/