/*Browser sensing*/
/*Set up Boolean variables to record the browser type*/

var isNew = 0;
var isNS4 = 0;
var isIE4 = 0;

/*Determines the browser name and browser version*/
var brow = ((navigator.appName) +
    (parseInt (navigator.appVersion)));

/*reassign variable depending on the browser*/

if (parseInt (navigator.appVersion == 5)) {
isNew = 1}
else if (brow == "Netscape4")
  {isNS4 = 1;}
   else if (brow == "Microsoft Internet Explorer4")
   {isIE4 = 1;}