Minor improvements:

1. Return REFUSED for an admission control violation.

2. Treat REFUSED errors as a user error instead of a fatal error.

3. Fix up confirmation modal to make it more clear that the reservation
   needs to be submitted.

apt/manage_reservations.in

@@ -277,8 +277,11 @@ sub DoReserve()
 	APT_Geni::PortalRPC($authority, $context, "Reserve", \%rpcargs);
     if (GeniResponse::IsError($response)) {
 	#
-	# All errors are fatal.
+	# Watch for a refused error, we want to tell the user that.
 	#
+	if ($response->code() == GENIRESPONSE_REFUSED) {
+	    UserError($response->output());
+	}
 	fatal($response->output());
     }
     print Dumper($response);

protogeni/lib/GeniCluster.pm.in

@@ -750,8 +750,8 @@ sub Reserve($)
 		return GeniResponse->Create(GENIRESPONSE_ERROR);
 	    }
 	    if ($count > $maximum) {
-		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
-					    "Admission Control says limited "/
+		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
+					    "Admission Control says limited ".
 					    "to $maximum nodes");
 	    }
 	}

www/aptui/js/aptforms.js

@@ -266,7 +266,9 @@ $(function () {
 	    var submit_callback = function(json) {
 		console.info("SubmitForm", json);
 		sup.HideWaitWait();
-		DisableUnsavedWarning(form);
+		if (!json.code) {
+		    DisableUnsavedWarning(form);
+		}
 		callback(json);
 	    };
 	    sup.ShowWaitWait(message);

www/aptui/js/reserve.js

@@ -288,6 +288,10 @@ $(function ()
 		if (json.code != 2) {
 		    sup.SpitOops("oops", json.value);		    
 		}
+		aptforms.GenerateFormErrors('#reserve-request-form',
+					    json.value);		
+		// Make sure we still warn about an unsaved form.
+		aptforms.MarkFormUnsaved();
 		return;
 	    }
 	    // User can submit.

www/aptui/template/reserve-request.html

@@ -19,7 +19,7 @@
 	</h3>
       </div>
       <div class='panel-body'>
-	<div>
+	<div style="margin-bottom: 10px;">
 	  <center><span id="general_error" style="color:red;"></span></center>
 	</div>
 	<form id='reserve-request-form'
@@ -292,8 +292,8 @@
 	  NOTE: This reservation request can be accomodated, but the
 	  size and/or duration means that the reservation needs to
 	  be approved by an administrator before it is fully active.
-	  The administrator has been been notified and will be acting
-	  on this request shortly.</div>
+	  The administrator will be notified when you submit this
+	  request, and will act on this request as soon as possible.</div>
       </div>
     </div>
   </div>