function browsertest ( ) {
if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ //test for Firefox/x.x or Firefox x.x (ignoring remaining digits);
 var ffversion=new Number(RegExp.$1) // capture x.x portion and store as a number
 
  document.write('<br><br><br><br><font size="6">The Firefox browser is not currently supported for the Partners in Adventure website. Supported browsers include Internet Explorer, Chrome, and Safari.</font><br><br>')

  
}


}