var ua="UA";
ua=navigator.userAgent;

function whichBrowser()
{
   var br="BR";
   if(ua.indexOf("NAV")!=-1){br="Navio"}
   if(ua.indexOf("Opera")!=-1){br="Opera"} 
   if(ua.indexOf("MSIE")!=-1){br="IE"}
   if((ua.indexOf('Mozilla')!= -1)&&((ua.indexOf('Spoofer')==-1)&&(ua.indexOf('compatible')==-1))){br="NS"}
   return br
}

function whichVersion(br)
{
   var bv=0;
   bv=navigator.appVersion.substring(0,1);
   if(br=="IE"){(parseInt(bv));}
   if(br=="NS"){(parseInt(bv));}
   return bv;
}

function whichPlatform()
{
   var os="OS";
   if((ua.indexOf("Win98")!=-1)||(ua.indexOf("Windows 98")!=-1)){os='win32_98'}
   if((ua.indexOf("Win95")!=-1)||(ua.indexOf("Windows 95")!=-1)){os='win32_95'}
   else if((ua.indexOf("WinNT")!=-1)||(ua.indexOf("Windows NT")!=-1)){os='win32_NT'}
   else if((ua.indexOf("Win16")!=-1)||(ua.indexOf("Windows 3.1")!=-1)){os='win16'}
   else if((ua.indexOf("Macintosh")!=-1)||(ua.indexOf("Mac")!=-1)){os='Mac';}else if(ua.indexOf("SunOS")!=-1){os='unix sun'}
   else if(ua.indexOf("IRIX")!=-1){os='unix sgi'}else if(ua.indexOf("HP-UX")!=-1){os='unix hp'}
   else if(ua.indexOf("AIX")!=-1){os='unix ibm'}else if(ua.indexOf("OS/2")!=-1){os='os/2'}else if(ua.indexOf("Linux")!=-1){ os='linux';}
   return os;
}

b=whichBrowser();
v=whichVersion(b);
o=whichPlatform();

// lwr for top
// lwl for left

if ((b == "NS") && (v == 3))
{
  lwl = 0;
  lwr = 0;
}
else
{
  brw  = (b=="NS")? window.innerWidth : document.body.offsetWidth;
  lwl  = ((brw - 640) /2 - 10);

  if ((lwl<176)||(lwl>200)) lwl = 180;

  if((b=="IE")||(v==2))
  { 
    lwr = 47;
    lwl += 384;
  }
  else
  { 
    lwr = 46;
    lwl += 384;
  }

}