use common ID_SCRIPT_EXPLORER constant
diff --git a/plugins/org.eclipse.dltk.python.ui/src/org/eclipse/dltk/python/ui/PythonPerspective.java b/plugins/org.eclipse.dltk.python.ui/src/org/eclipse/dltk/python/ui/PythonPerspective.java
index 4580d59..4f32524 100644
--- a/plugins/org.eclipse.dltk.python.ui/src/org/eclipse/dltk/python/ui/PythonPerspective.java
+++ b/plugins/org.eclipse.dltk.python.ui/src/org/eclipse/dltk/python/ui/PythonPerspective.java
@@ -9,55 +9,58 @@
  *******************************************************************************/
 package org.eclipse.dltk.python.ui;
 
-
+import org.eclipse.dltk.ui.DLTKUIPlugin;
 import org.eclipse.ui.IFolderLayout;
 import org.eclipse.ui.IPageLayout;
 import org.eclipse.ui.IPerspectiveFactory;
 import org.eclipse.ui.console.IConsoleConstants;
 import org.eclipse.ui.progress.IProgressConstants;
 
-public class PythonPerspective implements IPerspectiveFactory  {
+public class PythonPerspective implements IPerspectiveFactory {
 
 	public void createInitialLayout(IPageLayout layout) {
 
 		String editorArea = layout.getEditorArea();
-		
-		IFolderLayout folder= layout.createFolder("left", IPageLayout.LEFT, (float)0.2, editorArea); //$NON-NLS-1$
-		//folder.addView(PythonUI.ID_PACKAGES);
-		//folder.addView(PythonUI.ID_TYPE_HIERARCHY);	
-		//folder.addView("org.eclipse.dltk.python.ui.views.navigator");//IPageLayout.ID_RES_NAV);
-		//String navigator = IPageLayout.ID_RES_NAV;
-		String navigator = "org.eclipse.dltk.ui.ScriptExplorer";
 
-		folder.addView(navigator);		
+		IFolderLayout folder = layout.createFolder(
+				"left", IPageLayout.LEFT, (float) 0.2, editorArea); //$NON-NLS-1$
+		// folder.addView(PythonUI.ID_PACKAGES);
+		// folder.addView(PythonUI.ID_TYPE_HIERARCHY);
+		// folder.addView("org.eclipse.dltk.python.ui.views.navigator");//IPageLayout.ID_RES_NAV);
+		// String navigator = IPageLayout.ID_RES_NAV;
+
+		folder.addView(DLTKUIPlugin.ID_SCRIPT_EXPLORER);
 		folder.addPlaceholder(IPageLayout.ID_BOOKMARKS);
-		
-		IFolderLayout outputfolder= layout.createFolder("bottom", IPageLayout.BOTTOM, (float)0.75, editorArea); //$NON-NLS-1$
+
+		IFolderLayout outputfolder = layout.createFolder(
+				"bottom", IPageLayout.BOTTOM, (float) 0.75, editorArea); //$NON-NLS-1$
 		outputfolder.addView(IPageLayout.ID_PROBLEM_VIEW);
 		outputfolder.addView(IPageLayout.ID_TASK_LIST);
 		outputfolder.addView(IConsoleConstants.ID_CONSOLE_VIEW);
-		
+
 		outputfolder.addPlaceholder(IConsoleConstants.ID_CONSOLE_VIEW);
 		outputfolder.addPlaceholder(IPageLayout.ID_BOOKMARKS);
 		outputfolder.addPlaceholder(IProgressConstants.PROGRESS_VIEW_ID);
-		
-		layout.addView(IPageLayout.ID_OUTLINE, IPageLayout.RIGHT, (float)0.75, editorArea);
-				
+
+		layout.addView(IPageLayout.ID_OUTLINE, IPageLayout.RIGHT, (float) 0.75,
+				editorArea);
+
 		layout.addActionSet(IPageLayout.ID_NAVIGATE_ACTION_SET);
-		
-		
+
 		// views - standard workbench
 		layout.addShowViewShortcut(IPageLayout.ID_OUTLINE);
 		layout.addShowViewShortcut(IPageLayout.ID_PROBLEM_VIEW);
 		layout.addShowViewShortcut(IConsoleConstants.ID_CONSOLE_VIEW);
-		layout.addShowViewShortcut(navigator);
+		layout.addShowViewShortcut(DLTKUIPlugin.ID_SCRIPT_EXPLORER);
 		layout.addShowViewShortcut(IPageLayout.ID_TASK_LIST);
 		layout.addShowViewShortcut(IProgressConstants.PROGRESS_VIEW_ID);
-		
+
 		// new actions - Python project creation wizard
-		layout.addNewWizardShortcut("org.eclipse.dltk.python.internal.ui.wizards.PythonProjectWizard"); //$NON-NLS-1$
+		layout
+				.addNewWizardShortcut("org.eclipse.dltk.python.internal.ui.wizards.PythonProjectWizard"); //$NON-NLS-1$
 		layout.addNewWizardShortcut("org.eclipse.ui.wizards.new.folder");//$NON-NLS-1$
 		layout.addNewWizardShortcut("org.eclipse.ui.wizards.new.file");//$NON-NLS-1$
-		layout.addNewWizardShortcut("org.eclipse.ui.editors.wizards.UntitledTextFileWizard");//$NON-NLS-1$
+		layout
+				.addNewWizardShortcut("org.eclipse.ui.editors.wizards.UntitledTextFileWizard");//$NON-NLS-1$
 	}
 }