function generateTree() {
 level1ID = theMenu.addEntry(-1, "Folder","Usability Testing", "course.html" , null); 
 level2ID = theMenu.addChild (level1ID , "Folder" , "1: Getting started" , "course-1_.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "Goals and objectives" , "course-Goals.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "Course outline" , "course-Course.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "Computing requirements" , "course-Computin.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "How do I communicate?" , "course-How.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "How will I be graded?" , "course-How-2.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "How do I start?" , "course-How-3.html" , null); 
 level2ID = theMenu.addChild (level1ID , "Folder" , "2. Portion of 'Planning the Test' module" , "course-2_.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Folder" , "The process and plan" , "course-The.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "The usability test process" , "course-The-2.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "The usability test plan" , "course-The-3.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Folder" , "Creating the test objectives" , "course-Creating.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Test objectives" , "course-Test.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Folder" , "Defining the user profile" , "course-Defining.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Establishing broad user segments" , "course-Establis.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Establishing specific user segments" , "course-Establis-2.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Finding participants" , "course-Finding.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "How many participants do I need?" , "course-How-4.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Document" , "Sample quiz" , "course-Sample.html" , null); 
 level3ID = theMenu.addChild (level2ID , "Folder" , "Sample assignment" , "course-Sample-2.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Select a test" , "course-Select.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Prepare these materials " , "course-Prepare.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Compress the files" , "course-Compress.html" , null); 
 level4ID = theMenu.addChild (level3ID , "Document" , "Upload the assignment to your instructor for marking" , "course-Upload.html" , null); 
 }