Index: typo3/index.php
===================================================================
--- typo3/index.php	(Revision 6510)
+++ typo3/index.php	(Arbeitskopie)
@@ -335,6 +335,7 @@
 			'LABEL_SWITCHOPENID' => $GLOBALS['LANG']->getLL('labels.switchToOpenId', true),
 			'LABEL_SWITCHDEFAULT' => $GLOBALS['LANG']->getLL('labels.switchToDefault', true),
 			'CLEAR'            => $GLOBALS['LANG']->getLL('clear', true),
+			'LOGIN_PROCESS'    => $GLOBALS['LANG']->getLL('login_process', true),
 			'SITELINK'         => '<a href="/">###SITENAME###</a>',
 
 				// global variables will now be replaced (at last)
Index: typo3/sysext/t3skin/templates/login.html
===================================================================
--- typo3/sysext/t3skin/templates/login.html	(Revision 6510)
+++ typo3/sysext/t3skin/templates/login.html	(Arbeitskopie)
@@ -17,6 +17,9 @@
 				<div id="t3-nocookies-error" class="t3-login-alert t3-login-alert-warning" style="display:none">
 					<h2>###ERROR_COOKIES###</h2>
 				</div>
+				<div id="t3-login-process" style="display: none">
+					<h2>###LOGIN_PROCESS###</h2>
+				</div>
 				###FORM###
 				<div class="t3-login-bottomBorder"></div>
 				<script type="text/javascript">
@@ -127,7 +130,7 @@
 		###VALUE_INTERFACE###
 	</div>
 	<!-- ###INTERFACE_SELECTOR### end -->
-	<input type="submit" name="commandLI" value="###VALUE_SUBMIT###" class="t3-login-submit" tabindex="4" /> 
+	<input type="submit" name="commandLI" id="t3-login-submit" value="###VALUE_SUBMIT###" class="t3-login-submit" tabindex="4" />  
 	<div class="t3-login-form-footer">
 		<div id="t3-login-form-footer-default">
 			<a id="t3-login-switchToOpenId" class="switchToOpenId">###LABEL_SWITCHOPENID###</a>
Index: typo3/sysext/t3skin/resources/login.js
===================================================================
--- typo3/sysext/t3skin/resources/login.js	(Revision 6510)
+++ typo3/sysext/t3skin/resources/login.js	(Arbeitskopie)
@@ -16,6 +16,11 @@
 			'click',
 			TYPO3BackendLogin.switchToDefault
 		);
+		Event.observe(
+			$('t3-login-submit'),
+			'click',
+			TYPO3BackendLogin.showLoginProcess
+		);
 
 		$A(['t3-username', 't3-password']).each(function(value) {
 			Event.observe(
@@ -93,6 +98,16 @@
 		if ($('t3-login-interface-section')) {
 			$('t3-login-interface-section').show();
 		}
+	},
+	
+	showLoginProcess: function() {
+		if ($('t3-login-error')) {
+			$('t3-login-error').hide();
+		}
+
+		$('t3-login-form-fields').hide();
+		$('t3-nocookies-error').hide();
+		$('t3-login-process').show();
 	}
 };
 
Index: typo3/sysext/t3skin/stylesheets/typo3-index-php.css
===================================================================
--- typo3/sysext/t3skin/stylesheets/typo3-index-php.css	(Revision 6511)
+++ typo3/sysext/t3skin/stylesheets/typo3-index-php.css	(Arbeitskopie)
@@ -44,6 +44,16 @@
 	line-height: 24px;
 }
 
+body#typo3-index-php #t3-login-process h2 {
+	background: url('../icons/login-submit-progress.gif') no-repeat 10px center;
+	font-size: 11px !important;
+	vertical-align: middle;
+	line-height: 32px;
+	color: #7F8083;
+	padding: 0 0 0 50px;
+	margin: 20px 0 20px 115px;
+}
+
 body#typo3-index-php .t3-headline .t3-login-news-headline {
 	background: url('../icons/login-icon-news.gif') no-repeat 10px center;
 	background-color: transparent;
Index: typo3/sysext/lang/locallang_login.xml
===================================================================
--- typo3/sysext/lang/locallang_login.xml	(Revision 6510)
+++ typo3/sysext/lang/locallang_login.xml	(Arbeitskopie)
@@ -25,6 +25,7 @@
 			<label index="info.reset">Reset this form</label>
 			<label index="info.cookies_and_js">(Note: Cookies and JavaScript must be enabled!)</label>
 			<label index="clear">Clear this field!</label>
+			<label index="login_process">Proceeding Login ...</label>
 			<label index="newsheadline">Important Messages:</label>
 			<label index="error.login">Your login attempt did not succeed. Make sure to spell your username and password correctly, including upper/lowercase characters.</label>
 			<label index="error.login.title">Your login attempt did not succeed</label>