/************************************************************************ * Code to drive tree menu * *************************************************************************/ // Adapted from University of Delaware and Morten's JavaScript Tree Menu //http://www.treemenu.com/ /************************************************************************ * Define the MenuItem object. * *************************************************************************/ // Constructor function MenuItem(text, url, target, icon) { this.text = text; if (url) this.url = url; else this.url = ""; if (target) this.target = target; else this.target = ""; if (icon) this.icon = icon; else this.icon = ""; this.submenu = null; this.expanded = false; this.makeSubmenu = makeSubmenu; } // Methods. function makeSubmenu(menu) { this.submenu = menu; } /*********************************************************************** * Define the Menu object. * ************************************************************************/ // Constructor. function Menu() { this.items = new Array(); this.addItem = addItem; } // Methods. function addItem(item) { this.items[this.items.length] = item; } /*********************************************************************** * Functions to draw the menu. * ************************************************************************/ // Global variables used to draw the menu. // Width of the menu frame in pixels. var width = 400; // Increase if any of the // menu text wraps and the menu becomes broken. // Declare Menu Frame Document var doc = parent.frames["menu"].document; var level; // List for menu bar images. var bar = new Array(); // Array for tracking which item we are on in each level. var indices = new Array(); function displayMenu(menu) { level = 0; doc.open("text/html", "replace"); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); //doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln(''); doc.writeln('





Please use the site map below to navigate our new site.'); doc.writeln(' '); doc.writeln('If you need further assistance,'); doc.writeln('contact ce-webmaster@udel.edu.

'); doc.writeln(''); doc.writeln('

'); doc.writeln('

'); doc.writeln(''); doc.writeln(''); listItems(menu); doc.writeln('
Professional and Continuing Studies
'); doc.writeln('

'); doc.close(); return false; } function listItems(menu) { var i; for (i = 0; i < menu.items.length; i++) { indices[level] = i; displayItem(menu.items[i], (i == menu.items.length - 1)); } } function displayItem(item, last) { var frm = "parent.frames['code']"; var cmd = frm + ".displayMenu(" + frm + ".menu)"; var ref = frm + ".menu.items[" + indices[0] + "]"; var i, img, more; // Start the table row. doc.write(''); // Draw descending bars from upper levels. for (i = 0; i < level; i++) if (bar[i]) doc.write('

'); else doc.write('

'); // Determine this is a submenu item that contains other submenus. more = false; if (item.submenu) for (i = 0; i < item.submenu.items.length; i++) if (item.submenu.items[i].submenu != null) more = true; // Draw tee bar or corner if this item is not a submenu or if it is a // submenu but doesn't contain other submenus. if (!more) { if (last) img = "images/menu_corner.gif"; else img = "images/menu_tee.gif"; doc.write('

'); } // Set up a reference to this item for the onCLick event. for (i = 1; i <= level; i++) ref += ".submenu.items[" + indices[i] + "]"; // Write the start of the link tag so all of the following images and text // will be clickable. if (item.url != "") doc.write(''); else { if (item.expanded) doc.write(''); else doc.write(''); } // For a submenu item that contains other submenus, draw a tee bar or corner // with a plus or minus sign. if (more) { if (item.expanded) { if (last) img = "images/menu_corner.gif"; else img = "images/menu_tee.gif"; } else { if (last) img = "images/menu_corner.gif"; else img = "images/menu_tee.gif"; } doc.write('

'); } // If the item is a submenu, draw an open or closed folder icon. Otherwise // draw a link icon. if (item.submenu) { if (item.expanded) img = "images/menu_folder_open.gif"; else img = "images/menu_folder_closed.gif"; } else { if (item.icon != "") img = item.icon; else if (item.url.indexOf("http://") == 0) img = "images/menu_link_local.gif"; else img = "images/menu_link_local.gif"; } doc.write('

'); // Write the link text and finish the link and table row. doc.write(' ' + item.text + ''); doc.write(''); doc.writeln(''); // If the item is a submenu and it is expanded, make a recursive call to // draw its item list. if (item.expanded) { if (!last) bar[level] = true; else bar[level] = false; level++; listItems(item.submenu); level--; } else bar[i] = false; }