Log out of CAS Web Applications
<script type="text/javascript">
//  Logout of CAS -  This only works with Apache's mod_auth_cas module.
//                   For other implmentations of CAS, you will need to
//                   modify the 'document.cookie' values accordingly.
function CAS_Logout() {
	// Clear this sites's CAS cookie, both the HTTPS and plain HTTP cookie versions.
	document.cookie = "MOD_AUTH_CAS=;path=/;expires=Thu, 02-Jan-1970 00:00:01 GMT";
	document.cookie = "MOD_AUTH_CAS_S=;path=/;expires=Thu, 01-Jan-1970 00:00:01 GMT";
	// Redirect browser to CAS Server logout, to remove CAS Server cookie.
	window.location = "https://login.uconn.edu/cas/logout";
<body onload="javascript:CAS_Logout();">
Click <a href="javascript:CAS_Logout();">here</a> to logout from this page and <b>logout from CAS</b>.