/*
 * This set of Javascript functions provides the functionality of the side control bar
 * of the standard skin implementation. Modify the definitions of these functions
 * to change the behavior of the side bar. Edit modules/skin/stdframe.html to modify
 * the placement of the sidebar, and edit modules/skin/sidebar.html to modify the 
 * appearance of the sidebar.
 */

/*
 * Action taken on clicking the Back icon.
 */
function sidebarBack() {
  history.back();
}

/*
 * Action taken on clicking the Home icon.
 */
function sidebarHome() {
  if (edu_role == "administrator") {
    document.forms.edu_form.action = "configureClasses.Login";
    doAction('');
  } else if (edu_role == "instructor") {
    document.forms.edu_form.action = "configureTest.Login";
    doAction('');
  } else if (edu_role == "proctor") {
    document.forms.edu_form.action = "proctorTools.Login";
    doAction('');
  } else if (className) {
    toClassPage();
  }
}

/*
 * Action taken on clicking the Log Off icon.
 */
function sidebarLogoff() {
  if (edu_role == "administrator") {
    document.forms.edu_form.action = "configureClasses.Login";
    doAction('Log off');
  } else if (edu_role == "instructor") {
    document.forms.edu_form.action = "configureTest.Login";
    doAction('Log off');
  } else if (edu_role == "proctor") {
    document.forms.edu_form.action = "proctorTools.Login";
    doAction('Log off');
  } else if (className) {
    toClassPage();
  }
}

/*
 * Action taken on clicking the Help icon.
 */
function sidebarHelp() {
  getHelp(edu_role);
}