var us= null;
var IW; var IH; var PX; var PY;
var IMGW= 20; var IMGH= 10;
var IWtexte; var IHtexte; var PXtexte; var PYtexte; 
var IE=0;

function def()
{  
   if (document.all) 
   {
        us= document.all.Sign.style
        IHtexte = "document.body.clientHeight";
        IWtexte = "document.body.clientWidth"
        PXtexte = "document.body.scrollLeft";
        PYtexte = "document.body.scrollTop";
        IE=1;
   }

   if (document.layers) 
   {   
        us= document.layers.Sign;
        IHtexte = "window.innerHeight";
        IWtexte = "window.innerWidth";
        PXtexte = "window.pageXOffset";
        PYtexte = "window.pageYOffset";
   }
   Signature()
} 
function Signature()
{
    if ((window.innerHeight != IH)||(window.innerWidth != IW)||(window.pageXOffset != PX)||(window.pageYOffset != PY)||(IE==1))
  { 

        if (document.layers)  us.visibility= "hide";
        if (document.all) us.display = "none";

        IH= eval(IHtexte);
        IW= eval(IWtexte);
        PX= eval(PXtexte);
        PY= eval(PYtexte);

        (IH > IMGH) ? us.top= (IH+PY-(IMGH+10)) : us.top= 0;
        us.left= 220;
        if (document.layers) us.visibility= "show";
	if (document.all) us.display = "";
 }
        setTimeout("Signature()",50);


}