// =========================
// Browser check - Start
// 
function browsercheck() {

	var app = "";
	var ver = 0;
	var browserok = false;

	if (navigator.appName.toLowerCase() == "netscape") app = "NS";
	if (navigator.appName.toLowerCase() == "microsoft internet explorer") app = "IE";	

	ver = parseInt(navigator.appVersion);
	if (((app == "NS") || (app == "IE")) && (ver >= 4)) browserok = true;
	return browserok;
}
//
// Browser check - End
// =========================