// Netscape 4.5 und älter abfangen, können keine Layer.
function loadPage() {

	var version=navigator.appVersion.substr(0,3);
	var browser = navigator.appName;
	// find which browser it is
	if (browser.indexOf("Netscape") >= 0) {
		// find which version		
		if (version <= 4.9 ) {
			window.location="problem.html";
		}
		
	}

}