// environment variables

var b = (navigator.appName);
var bIE = (navigator.appName.indexOf("Explorer",0) != -1) ? 1:0;
var bNN = (navigator.appName.indexOf("Netscape",0) != -1) ? 1:0;
var bXX = (!bIE && !bNN) ? 1:0;

var v = (bIE) ? parseFloat(navigator.userAgent.substring(30,34)) : parseFloat(navigator.userAgent.substring(8,12));
var v3 = (parseInt(v) == 3) ? 1:0;
var v4 = (parseInt(v) == 4) ? 1:0;
var v5 = (parseInt(v) == 5) ? 1:0;
var v6 = (parseInt(v) == 6) ? 1:0;

var os = navigator.platform;
var osMac = (os.indexOf("Mac",0) != -1) ? 1:0;
var osWin = (os.indexOf("Win",0) != -1) ? 1:0;
var osSun = (os.indexOf("Sun",0) != -1) ? 1:0;
var osLin = (os.indexOf("Linux",0) != -1) ? 1:0;
var osUni = (osSun || osLin) ? 1:0;
var osXXX = (!osMac && !osWin && !osSun && !osLin) ? 1:0;

var mac5 = (osMac && bIE && v5) ? 1:0;