/*
==================================================================
logOut()	:	In Internet Explorer 6.0 SP1 or later, you can
				flush all login credentials.
==================================================================
*/
function logOut() {
	if (navigator.appName=="Microsoft Internet Explorer" && navigator.userAgent.indexOf("Opera")==-1) {
		var tmp = document.execCommand("ClearAuthenticationCache");
		if (tmp) {
			alert("Sign out was successful");
		}
		else {
			alert("If you are not running Internet Explorer 6.0 SP1 or later, you must close your browser window to sign out.");
		}
	}
	else {
		alert("If you are not running Internet Explorer 6.0 SP1 or later, you must close your browser window to sign out.");
	}
}