// Rank Brothers Engineering scripts

function addStylesheet(url, browser, minVersion, maxVersion)
// Add link to stylesheet if browser is of specified type and version
{
	if (navigator.appName == browser && navigator.appVersion >= minVersion && navigator.appVersion <= maxVersion)
	{
		document.write('<link rel="stylesheet" href="' + url + '" type="text/css">');
	}
}

addStylesheet("styles/ns4.css", "Netscape", "4", "4.99");