function initializeNav() //generic initialization used by most nav templates 
{ 
//var gblThemeDir;  //(not needed here - bring in from top frame, send to studentview iframe) 

parent.gblNavFrame = getObjByName('NavFrame',parent.document); 

parent.gblNavDocument = document; 

parent.gblNextButton = new parent.initButton('next_up.gif', 'next_over.gif', 'next_disabled.gif', 'btnNext', parent.goNextPage,'Proceed to the next page','This is the last page of the course'); 

parent.gblPreviousButton = new parent.initButton('previous_up.gif', 'previous_over.gif', 'previous_disabled.gif', 'btnPrevious', parent.goPreviousPage,'Go to the previous page','This is the first page of the course'); 

parent.gblExitButton = new parent.initButton('exit_up.gif', 'exit_over.gif', 'exit_up.gif', 'btnExit', parent.doExit,'Close and Exit','You may not Exit at this time.'); 

parent.gblCourseMapButton = new parent.initButton('coursemap_up.gif', 'coursemap_over.gif', 'coursemap_up.gif', 'btnCourseMap', parent.openCourseMap,'Open the Course Map','The Course Map is disabled until the Interaction has been completed.'); 

parent.gblGlossaryButton = new parent.initButton('glossary_up.gif', 'glossary_over.gif', 'glossary_up.gif', 'btnGlossary', parent.openGlossary,'See the Course Glossary','The Glossary is currently disabled.'); 

parent.gblSearchButton = new parent.initButton('search_up.gif', 'search_over.gif', 'search_up.gif', 'btnSearch', parent.openSearch,'Search the Course for keywords','Search is disabled until the Interaction has been completed.'); 


parent.gblReplayButton = new parent.initButton('replay_up.gif', 'replay_over.gif', 'replay_disabled.gif', 'btnReplay', parent.doReplay,'Refresh this screen','This is the last page of the course'); 

parent.gblMainMenuButton = new parent.initButton('mainmenu_up.gif', 'mainmenu_over.gif', 'mainmenu_up.gif', 'btnMainMenu', parent.goMainMenu,'Go to the main menu','The Main Menu is disabled until the Interaction has been completed.'); 
parent.gblFAQButton = new parent.initButton('faq_up.gif', 'faq_over.gif', 'faq_up.gif', 'btnFAQ', parent.openFAQ,'Open the FAQ','The FAQ is currently disabled.'); 
parent.gblHelpButton = new parent.initButton('help_up.gif', 'help_over.gif', 'help_up.gif', 'btnHelp', parent.openFAQ,'Open the Help','The Help is currently disabled.');
parent.gblGuideButton = new parent.initButton('guide_up.gif', 'guide_over.gif', 'guide_up.gif', 'btnGuide', parent.openGuide,'Open the Guide','The Guide is currently unavailable.');

parent.gblPrintButton = new parent.initButton('print_up.gif', 'print_over.gif', 'print_up.gif', 'btnPrint', parent.printScreen,'Print this screen','Print is not supported for this screen.');
parent.gblMuteButton = new parent.initButton('audio_up.gif', 'audio_over.gif', 'audio_up.gif', 'btnMute', parent.toggleSound, 'Toggle Sound','Toggle Sound');


parent.gblCourseLabel = new parent.initLabel('lblCourseName'); 
parent.gblModuleLabel = new parent.initLabel('lblModuleName'); 
parent.gblTopicLabel = new parent.initLabel('lblTopicName'); 
parent.gblScreenLabel = new parent.initLabel('lblScreenName'); 
parent.gblCurrentPageLabel = new parent.initLabel('lblCurrentPage'); 
parent.gblNumPagesLabel = new parent.initLabel('lblLastPage'); 

parent.gblScreenFrame = getObjByName('frameScreen',document); 
parent.initializeStudentView(); 
}