// Set of functions to return specific browser characteristics
// Usage:	browser = browsername()			- returns "NS" or "MSIE"
//			version = browserversion()		- returns main version number for browser
function browsername ()  // Identify the browser
{
  bname=navigator.appName;
  if (bname.indexOf("Netscape")!=-1){bname="ns"} else
  { if (bname.indexOf("Microsoft")!=-1){bname="ie"} else {bname="other"} }
  return bname ;
}
function browserversion ()	// Establish the browser version
{
  browserver="0";
  if (navigator.appVersion.indexOf("2.")!=-1) {browserver="2"}
  if (navigator.appVersion.indexOf("3.")!=-1) {browserver="3"}
  if (navigator.appVersion.indexOf("4.")!=-1) {browserver="4"}
  if (navigator.appVersion.indexOf("5.")!=-1) {browserver="5"}
  if (navigator.appVersion.indexOf("6.")!=-1) {browserver="6"} // N.B Netscape 6 may return as version 5
  return browserver;
}