change a hardcoded reference to ucommjuhl to dynamic

plugins/cas_auth/views/default/account/forms/login.php

@@ -29,7 +29,7 @@
 			<h2 class="sec_main">Students, Faculty, Staff</h2>
 			
 				<p>If you are a student, faculty or staff member, you already have an account. Use your my.UNL Single Sign-on account to begin.</p>
-				<p style="margin-top: 50px; text-align:center;"><a class="wdn_loginLink" href="http://ucommjuhl.unl.edu/planetred/elgg/?loginwith=UNLlogin"><span>UNL Login</span></a></p>
+				<p style="margin-top: 50px; text-align:center;"><a class="wdn_loginLink" href="<?php echo $vars['url']; ?>?loginwith=UNLlogin"><span>UNL Login</span></a></p>
 				
 				<p style="margin-top: 40px;"><a title="Find your my.UNL password" href="https://login.unl.edu/faq/account-resetpw.shtml">Lost your my.UNL password?</a></p>