diff --git a/war/resources/scripts/hudson-behavior.js b/war/resources/scripts/hudson-behavior.js
index 88940df2abe5acc4831641cb1b296e54e464aa1c..74a8861f58986cc952abe8c7dcb930310cc8a3fe 100644
--- a/war/resources/scripts/hudson-behavior.js
+++ b/war/resources/scripts/hudson-behavior.js
@@ -132,13 +132,13 @@ var hudsonRules = {
         e.onfocus = function() {
             if (this.value == defaultValue) {
                 this.value = "";
-                Element.removeClassName(e, "defaulted");
+                Element.removeClassName(this, "defaulted");
             }
         }
         e.onblur = function() {
             if (this.value == "") {
                 this.value = defaultValue;
-                Element.addClassName(e, "defaulted");
+                Element.addClassName(this, "defaulted");
             }
         }
         e = null; // avoid memory leak