document.write("<!-- get_browser.js -->")  
var vis, NS6, IE4, NS4, bV;
graphicsPath = "/gtn/images/"
bV = parseInt(navigator.appVersion);
IE4 = (document.all && (bV >= 4)) ? true:false;
NS6 = (document.getElementById) ? true:false;
NS4 = (document.layers && (bV >= 4)) ? true:false;
vis = 'inline';
if (IE4) {
	browser = 'IE4';
} else if (NS6) {
	browser = 'NS6';
} else if (NS4) {
	browser = 'NS4';
} else {
	browser = 'unknown';
}