override getScriptNature() only once for project wizard

diff --git a/plugins/org.eclipse.dltk.javascript.ui/src/org/eclipse/dltk/javascript/internal/ui/wizards/JavascriptProjectCreationWizard.java b/plugins/org.eclipse.dltk.javascript.ui/src/org/eclipse/dltk/javascript/internal/ui/wizards/JavascriptProjectCreationWizard.java
index 3cec173..dfde3c7 100644
--- a/plugins/org.eclipse.dltk.javascript.ui/src/org/eclipse/dltk/javascript/internal/ui/wizards/JavascriptProjectCreationWizard.java
+++ b/plugins/org.eclipse.dltk.javascript.ui/src/org/eclipse/dltk/javascript/internal/ui/wizards/JavascriptProjectCreationWizard.java

@@ -54,10 +54,6 @@
 					super(composite);
 				}
 
-				protected String getCurrentLanguageNature() {
-					return JavaScriptNature.NATURE_ID;
-				}
-
 				protected String getIntereprtersPreferencePageId() {
 					return null;
 				}
@@ -67,6 +63,10 @@
 				}
 			};
 
+			public String getScriptNature() {
+				return JavaScriptNature.NATURE_ID;
+			}
+
 			protected IInterpreterGroup createInterpreterGroup(Composite parent) {
 				return new JavascriptInterpreterGroup(parent);
 			}
@@ -89,10 +89,6 @@
 						useNewSourcePage(), null);
 			}
 
-			protected String getScriptNature() {
-				return JavaScriptNature.NATURE_ID;
-			}
-
 			protected IPreferenceStore getPreferenceStore() {
 				return JavaScriptUI.getDefault().getPreferenceStore();
 			}