function selectCSS() {

  if (navigator.userAgent.indexOf("Mac") != -1) {
    if (navigator.appName == "Netscape") {
      document.write('<LINK REL=STYLESHEET TYPE="TEXT/CSS" HREF="../css/main-mac_net.css">')
    }

    else {
      document.write('<LINK REL=STYLESHEET TYPE="TEXT/CSS" HREF="../css/main-mac_ie.css">')
    }
  }

  else {
    var formbug = 0;
    if ((navigator.appName == "Netscape")&&(navigator.appVersion.substring(0,1) == "4")) {
      document.write('<LINK REL=STYLESHEET TYPE="TEXT/CSS" HREF="../css/main-win_net.css">')
    }

    else {
    document.write('<LINK REL=STYLESHEET TYPE="TEXT/CSS" HREF="../css/main-win_ie.css">');
    }
  }
}

selectCSS()

function MM_openBrWindow(theURL,winName,features) { //v2.0
        window.open(theURL,winName,features);
}