var delta=0.15
var collection;

if (document.images)
var staticlogo=new Image(21,120)
staticlogo.src="images/bbs.gif"

var logolink="sgbbs/index.asp"
var alttext="::北京首钢机电有限公司欢迎您::"
var fadeintoview=1
var visibleduration=0

function floaters() {
this.items    = [];
this.addItem    = function(id,x,y,content)
{
document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute;  width:20px; 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()',10);
}
}
function play()
{
if(screen.width<=800)
{
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    = '';
}
}
var theFloaters  = new floaters();

theFloaters.addItem('followDiv1','document.body.clientWidth-23',113,
'<a href="'+logolink+'" target=_blank><img src='+staticlogo.src+' border=0 class=defaultFDcss alt='+alttext+'></a>');
theFloaters.play();