var scrj = 1;
function softScrollBack() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat")
      var scdist = document.body.parentNode.scrollTop;
   else
      var scdist = document.body.scrollTop;
   if(scrj<50 && scdist) {
      scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
      scrj++;
      scrollBy(0,-scdist);
      setTimeout("softScrollBack()",0);
   } else {
      scrollTo(0,0);
      scrj = 1;
   }
}

var agt=navigator.userAgent.toLowerCase();
var nav=navigator.appName.charAt(0);
var fName;
if (agt.indexOf("mac")!=-1) 
{
// mac
if(nav=="M") fName = "css/mac_ie.css"; 
if(nav=="N") fName = "css/mac_ns.css"; 
} else
if (agt.indexOf("win")!=-1)
{ 
// win
if(nav=="M") fName = "css/win_ie.css"; 
if(nav=="N") fName = "css/win_ns.css"; 
} else 
{
//‘¼‚̀OS 
}

if (fName != null) { 
document.write("<LINK REL=STYLESHEET HREF='"+fName+"' TYPE='text/css'"); 
}