function BrowserTest(){
	var thisBrowser=navigator.appName;
	var thisVersion=navigator.appVersion.substring(0,3);

	if (thisBrowser.indexOf("Microsoft")>=0)
		if (thisVersion < 4) window.alert("Your browser is not supported!");
	if (thisBrowser.indexOf("Netscape")>=0)
		if (thisVersion < 4) window.alert("Your browser is not supported!");

	if (navigator.cookieEnabled != true) window.alert("You must enable cookies to use this site!");

	return false
}