function checkHTM4()
{
	if (navigator.appName == 'Netscape' &&
	    navigator.appVersion.substring(0,1) < 4 )
	{
	alert("This website has been designed for HTML4 compatible browsers.\nYour browser, "+navigator.appName + " " + navigator.appVersion + " is not HTML4 compatible,\nthus this website will not appear as intended");
	}
}
//-->