var ns = (navigator.appName.indexOf("Netscape") != -1);
var d = document;
function lsfloatdiv(id, sx, sy, floatid, bottom) {
var adobj = document.getElementById(id);
adobj.style.display = "";
adobj.style.width = (document.body.clientWidth - (typeof(sx) == 'string' ? eval(sx) : sx)*2) + 'px';
adobj.style.left = (typeof(sx) == 'string' ? eval(sx) : sx) + 'px';
adobj.style.top = (typeof(sy) == 'string'? eval(sy) : sy) + 'px';
if(floatid != "" && bottom != 0) {
   document.getElementById(floatid).style.bottom = bottom + 'px';
}
var el = d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
var px = document.layers ? "" : "px";
window[id + "_obj"] = el;
if(d.layers)el.style = el;
el.cx = el.sx = sx;el.cy = el.sy = sy;
el.sP = function(x, y) { this.style.left=x+px;this.style.top=y+px; };

el.floatIt = function() {
   var pX, pY;
   pX = (this.sx >= -4) ? 0 : ns ? innerWidth : 
   document.documentElement && document.documentElement.clientWidth ? 
   document.documentElement.clientWidth : document.body.clientWidth;
   pY = ns ? pageYOffset : document.documentElement && document.documentElement.scrollTop ? 
   document.documentElement.scrollTop : document.body.scrollTop;
   if(this.sy<0) 
   pY += ns ? innerHeight : document.documentElement && document.documentElement.clientHeight ? 
   document.documentElement.clientHeight : document.body.clientHeight;
   this.cx += (pX + this.sx - this.cx)/8;this.cy += (pY + this.sy - this.cy)/8;
   this.sP(this.cx, this.cy);
   setTimeout(this.id + "_obj.floatIt()", 40);
}
//分辨率小于800*600隐藏浮动广告
var lengthobj = getWindowSize();
if(lengthobj.winWidth < 800) {
   closeBanner(id);
}
return el;
}