<!-- Begin to hide script contents from old browsers.
userAgent = navigator.userAgent.toLowerCase();
versionMajor = parseInt( navigator.appVersion );
versionMinor = parseFloat( navigator.appVersion );
browserName = navigator.appName;

NS   = (browserName == "Netscape") ? (true) : (false);
//NS  = ((userAgent.indexOf('mozilla') != -1) && ((userAgent.indexOf('spoofer') == -1) && (userAgent.indexOf('compatible') == -1))) ? (true) : (false);
NS2  = (NS && (versionMajor == 2)) ? (true) : (false);
NS3  = (NS && (versionMajor == 3)) ? (true) : (false);
NS4B = (NS && (versionMajor == 4) && (versionMinor <= 4.03)) ? (true) : (false);
NS4  = (NS && (versionMajor >= 4)) ? (true) : (false);
//NS4 = (document.layers) ? true : false;
IE   = (browserName == "Microsoft Internet Explorer") ? (true) : (false);
//IE   = (userAgent.indexOf("msie") != -1) ? (true) : (false);
IE3  = (IE && (versionMajor == 2)) ? (true) : (false);
IE4  = (IE && (versionMajor >= 4)) ? (true) : (false);
//IE4 = (document.all) ? true : false;

OP3 = (userAgent.indexOf("opera") != -1);

FOCUSABLE = (NS4 || NS4B || IE4);
DHTML_Netscape = (NS4 || NS4B);
DHTML_MSIE = IE4;
// This stops the javascript from hiding -->