diff --git a/core/src/main/java/org/acegisecurity/providers/dao/AbstractUserDetailsAuthenticationProvider.java b/core/src/main/java/org/acegisecurity/providers/dao/AbstractUserDetailsAuthenticationProvider.java
index c37520a0b1..9e6ba3c139 100644
--- a/core/src/main/java/org/acegisecurity/providers/dao/AbstractUserDetailsAuthenticationProvider.java
+++ b/core/src/main/java/org/acegisecurity/providers/dao/AbstractUserDetailsAuthenticationProvider.java
@@ -31,6 +31,7 @@ import org.acegisecurity.providers.dao.cache.NullUserCache;
 import org.acegisecurity.userdetails.UserDetails;
 import org.acegisecurity.userdetails.UserDetailsService;
 import org.acegisecurity.userdetails.UsernameNotFoundException;
+import org.acegisecurity.userdetails.UserDetailsChecker;
 
 import org.springframework.beans.factory.InitializingBean;
 
@@ -66,13 +67,15 @@ import org.springframework.util.Assert;
  * @version $Id$
  */
 public abstract class AbstractUserDetailsAuthenticationProvider implements AuthenticationProvider, InitializingBean,
-    MessageSourceAware {
+        MessageSourceAware {
     //~ Instance fields ================================================================================================
 
     protected MessageSourceAccessor messages = AcegiMessageSource.getAccessor();
     private UserCache userCache = new NullUserCache();
     private boolean forcePrincipalAsString = false;
     protected boolean hideUserNotFoundExceptions = true;
+    private UserDetailsChecker preAuthenticationChecks = new DefaultPreAuthenticationChecks();
+    private UserDetailsChecker postAuthenticationChecks = new DefaultPostAuthenticationChecks();
 
     //~ Methods ========================================================================================================
 
@@ -129,20 +132,7 @@ public abstract class AbstractUserDetailsAuthenticationProvider implements Authe
             Assert.notNull(user, "retrieveUser returned null - a violation of the interface contract");
         }
 
-        if (!user.isAccountNonLocked()) {
-            throw new LockedException(messages.getMessage("AbstractUserDetailsAuthenticationProvider.locked",
-                    "User account is locked"));
-        }
-
-        if (!user.isEnabled()) {
-            throw new DisabledException(messages.getMessage("AbstractUserDetailsAuthenticationProvider.disabled",
-                    "User is disabled"));
-        }
-
-        if (!user.isAccountNonExpired()) {
-            throw new AccountExpiredException(messages.getMessage("AbstractUserDetailsAuthenticationProvider.expired",
-                    "User account has expired"));
-        }
+        preAuthenticationChecks.check(user);
 
         // This check must come here, as we don't want to tell users
         // about account status unless they presented the correct credentials
@@ -160,10 +150,7 @@ public abstract class AbstractUserDetailsAuthenticationProvider implements Authe
             }
         }
 
-        if (!user.isCredentialsNonExpired()) {
-            throw new CredentialsExpiredException(messages.getMessage(
-                    "AbstractUserDetailsAuthenticationProvider.credentialsExpired", "User credentials have expired"));
-        }
+        postAuthenticationChecks.check(user);
 
         if (!cacheWasUsed) {
             this.userCache.putUserInCache(user);
@@ -275,7 +262,53 @@ public abstract class AbstractUserDetailsAuthenticationProvider implements Authe
         this.userCache = userCache;
     }
 
+    protected UserDetailsChecker getPreAuthenticationChecks() {
+        return preAuthenticationChecks;
+    }
+
+    public void setPreAuthenticationChecks(UserDetailsChecker preAuthenticationChecks) {
+        this.preAuthenticationChecks = preAuthenticationChecks;
+    }
+
+    protected UserDetailsChecker getPostAuthenticationChecks() {
+        return postAuthenticationChecks;
+    }
+
+    public void setPostAuthenticationChecks(UserDetailsChecker postAuthenticationChecks) {
+        this.postAuthenticationChecks = postAuthenticationChecks;
+    }    
+
     public boolean supports(Class authentication) {
         return (UsernamePasswordAuthenticationToken.class.isAssignableFrom(authentication));
     }
+
+    private class DefaultPreAuthenticationChecks implements UserDetailsChecker {
+        public void check(UserDetails user) {
+            if (!user.isAccountNonLocked()) {
+                throw new LockedException(messages.getMessage("AbstractUserDetailsAuthenticationProvider.locked",
+                        "User account is locked"));
+            }
+
+            if (!user.isEnabled()) {
+                throw new DisabledException(messages.getMessage("AbstractUserDetailsAuthenticationProvider.disabled",
+                        "User is disabled"));
+            }
+
+            if (!user.isAccountNonExpired()) {
+                throw new AccountExpiredException(messages.getMessage("AbstractUserDetailsAuthenticationProvider.expired",
+                        "User account has expired"));
+            }
+
+        }
+    }
+
+    private class DefaultPostAuthenticationChecks implements UserDetailsChecker {
+        public void check(UserDetails user) {
+            if (!user.isCredentialsNonExpired()) {
+                throw new CredentialsExpiredException(messages.getMessage(
+                        "AbstractUserDetailsAuthenticationProvider.credentialsExpired", "User credentials have expired"));
+            }
+
+        }
+    }
 }
diff --git a/core/src/main/java/org/acegisecurity/userdetails/UserDetailsChecker.java b/core/src/main/java/org/acegisecurity/userdetails/UserDetailsChecker.java
new file mode 100644
index 0000000000..fda474e577
--- /dev/null
+++ b/core/src/main/java/org/acegisecurity/userdetails/UserDetailsChecker.java
@@ -0,0 +1,10 @@
+package org.acegisecurity.userdetails;
+
+/**
+ * @author Luke Taylor
+ * @version $Id$
+ * @since 1.0.7
+ */
+public interface UserDetailsChecker {
+    void check(UserDetails toCheck);
+}
diff --git a/core/src/main/java/org/acegisecurity/userdetails/checker/AccountStatusUserDetailsChecker.java b/core/src/main/java/org/acegisecurity/userdetails/checker/AccountStatusUserDetailsChecker.java
new file mode 100644
index 0000000000..f55bc3b007
--- /dev/null
+++ b/core/src/main/java/org/acegisecurity/userdetails/checker/AccountStatusUserDetailsChecker.java
@@ -0,0 +1,42 @@
+package org.acegisecurity.userdetails.checker;
+
+
+import org.springframework.context.support.MessageSourceAccessor;
+
+import org.acegisecurity.LockedException;
+import org.acegisecurity.CredentialsExpiredException;
+import org.acegisecurity.AccountExpiredException;
+import org.acegisecurity.DisabledException;
+import org.acegisecurity.AcegiMessageSource;
+import org.acegisecurity.userdetails.UserDetailsChecker;
+import org.acegisecurity.userdetails.UserDetails;
+
+/**
+ * @author Luke Taylor
+ * @version $Id$
+ * @since 1.0.7
+ */
+public class AccountStatusUserDetailsChecker implements UserDetailsChecker {
+
+    protected MessageSourceAccessor messages = AcegiMessageSource.getAccessor();
+
+    public void check(UserDetails user) {
+        if (!user.isAccountNonLocked()) {
+            throw new LockedException(messages.getMessage("UserDetailsService.locked", "User account is locked"));
+        }
+
+        if (!user.isEnabled()) {
+            throw new DisabledException(messages.getMessage("UserDetailsService.disabled", "User is disabled"));
+        }
+
+        if (!user.isAccountNonExpired()) {
+            throw new AccountExpiredException(messages.getMessage("UserDetailsService.expired",
+                    "User account has expired"));
+        }
+
+        if (!user.isCredentialsNonExpired()) {
+            throw new CredentialsExpiredException(messages.getMessage("UserDetailsService.credentialsExpired",
+                    "User credentials have expired"));
+        }
+    }
+}
diff --git a/releasebuild.sh b/releasebuild.sh
index 1c51026586..40dbd451de 100644
--- a/releasebuild.sh
+++ b/releasebuild.sh
@@ -120,12 +120,12 @@ fi
 
 pushd $SITE_DIR
 
-find . -maxdepth 2 -mindepth 2 -name "*.html" | xargs perl -i -p -e 's#\./css/#\.\./css/#;' \
+find . -maxdepth 2 -mindepth 2 -name "*.html" | xargs perl -i -p -e 's#"\./css/#"\.\./css/#;' \
    -e 's/Maven Surefire Report/Unit Tests/;' \
    -e 's/Cobertura Test Coverage/Test Coverage/;' \
    -e 's/A successful project.*greatly appreciated\.//;'
 
-find . -maxdepth 3 -mindepth 3 -name "*.html" | xargs perl -i -p -e 's#\./css/#\.\./\.\./css/#;'
+find . -maxdepth 3 -mindepth 3 -name "*.html" | xargs perl -i -p -e 's#"\./css/#"\.\./\.\./css/#;'
 
 popd