var delta = 0.08
var collection;
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 = {};
		var o = document.getElementById('shoppingCart');
		o.style.left = typeof(x)=='string'?eval(x):x+"px";
		o.style.top = typeof(y)=='string'?eval(y):y+"px";
		newItem.object = o;
		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.documentElement.scrollLeft + followObj_x)) {
			var dx = (document.documentElement.scrollLeft + followObj_x - followObj.offsetLeft)
					* delta;
			dx = (dx > 0 ? 1 : -1) * Math.ceil(Math.abs(dx));
			followObj.style.left = followObj.offsetLeft + dx+"px";
		}
		if (followObj.offsetTop != (document.documentElement.scrollTop + followObj_y)) {
			var dy = (document.documentElement.scrollTop + followObj_y - followObj.offsetTop)
					* delta;
			dy = (dy > 0 ? 1 : -1) * Math.ceil(Math.abs(dy));
			followObj.style.top = followObj.offsetTop + dy+"px";
		}
		followObj.style.display = '';
	}
}

var theFloaters = new floaters();
theFloaters.addItem('followDiv1', 'document.documentElement.clientWidth-64', 160, '');
theFloaters.play();
