<!--
function getBrowserClass() {
	var n;
	var a;
	var sBrowserClass = "d";
	
	// convert userAgent string to lowercase to simplify testing
	n = navigator.userAgent.toLowerCase();
	a = navigator.appName.toLowerCase();

	// find the major release version of the client
	major = parseInt(navigator.appVersion);

	// determine which browser the visitor is using
	
	// WebTV
	if (n.indexOf("webtv") != -1) {
		sBrowserClass = "d";
	} else {
		// Windows
		if (n.indexOf("win") != -1) {
			if (a.indexOf("microsoft") != -1) {
				if (major > 3) {
					sBrowserClass = "a";
				} else if ((major == 2) && (n.indexOf("3.") != -1)) {
					sBrowserClass = "d";
				}
			} else if (a.indexOf('netscape') != -1) {
				if (major > 3) {
					sBrowserClass = "b";
				} else if (major == 3) {
					sBrowserClass = "d";
				}
			}
		} 
		// Mac
		else if (n.indexOf("mac") != -1) {
			if (a.indexOf("microsoft") != -1) {
				if (major > 3) {
					sBrowserClass = "c";
				} else if (major == 3) {
					sBrowserClass = "d";
				}
			} else if (a.indexOf('netscape') != -1) {
				if (major > 3) {
					sBrowserClass = "b";
				} else if (major == 3) {
					sBrowserClass = "d";
				}
			}
		}
		// Everyone else
		else if (a.indexOf("microsoft") != -1) {
			if (major > 3) {
				sBrowserClass = "a";
			} else if (major == 3) {
				sBrowserClass = "d";
			}
		} else if (a.indexOf("netscape") != -1) {
			if (major > 3) {
				sBrowserClass = "b";
			} else if (major == 3) {
				sBrowserClass = "d";
			}
		}
	}
	return sBrowserClass;
}
// -->