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

  if (browser_name == "Netscape" && browser_version >= 3.0) {can = 'true';} 
  else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { can = 'true'; } 
       else { can = 'false'; } 

  function sndmail(box, alias) {
    s = "mailto:";
    if (browser_name == "Microsoft Internet Explorer") {
      a = "&#64";
      s += alias;
      s += "<";
      s += box;
      s += a;
      s += "openworld";
      s += ".";
      s += "com";
      s += ">";
    } else {
      a = "@";
      s += alias;
      s += "<";
      s += box;
      s += a;
      s += "openworld";
      s += ".";
      s += "com";
      s += ">";
    }
    self.location.href = s;
  }