Fixed problem with clearing watermarks on ajax form submit and not restoring them afterwards.

@@ -5,4 +5,10 @@ RichFaces.Watermark = function(targetId, text, options) {
     jQuery(function() {
         jQuery(document.getElementById(targetId)).watermark(text, options);
     });
-};
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+};
+RichFaces.Watermark.showAll = function() {
+    jQuery.watermark.showAll();
+};
+A4J.AJAX.AddListener({onafterajax:function() {
+    RichFaces.Watermark.showAll();
+}});
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