var ns = (navigator.appName.indexOf("Netscape") != -1);
var d = document;
function JSFX_FloatDiv(id, sx, sy)
{
       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 >= 0) ? 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)/4;this.cy += (pY + this.sy - this.cy)/4;
               this.sP(this.cx, this.cy);
               setTimeout(this.id + "_obj.floatIt()",10);
       }
       return el;
}
JSFX_FloatDiv("divTopLeft",2,1).floatIt();