browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0)
  { check = '0'; }

else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0)
  { check = '1'; }

else { check = '2'; }

var chk = 0;

function popup()
{
 if (chk == 0)
 {
  if (check==0)
  {
    window.open('http://www.1absolutesex.com/hardcore/newindex.html', "navWin");

  }
  else
  {
    window.open('http://www.1absolutesex.com/hardcore/newindex.html', "navWin");
  }
  chk = '1';
 }
}