// The following JavaScript function will determine if the browsers
	// is IE version 4+, Netscape version 4, or Netscape version 6+
	// Netscape 6 actually identifies itself as Netscape version 5
	function getBrowserType() {
		isNetscape4 = false;
		isNetscape6 = false; 
		isIE = false;

		var browserName = navigator.appName;
		var browserVer = parseInt(navigator.appVersion);
		
		if (browserVer >= 4) { 
			if (browserName == "Microsoft Internet Explorer") {
			    //any IE later than 4
			    isIE = true;
			} else if (browserName == "Netscape") {
			    if (browserVer >= 5) {
				isNetscape6 = true;
			    } else {
				isNetscape4 = true;
			    }
			} else {
			    // Add code here to detect other browsers!!
			}
		} else {
			//Do we care about browser versions < 4?
		}
	}