registerItem("i1", "", "Home", "/", "MainMenuItem", "PopupMenu");
    registerItem("i2", "", "About Us", "/about/", "MainMenuItem", "PopupMenu");
    registerItem("i3", "i2", "Overview", "/about/", "PopupMenuItem", "PopupMenu");
    registerItem("i4", "i2", "Annual Reports & Newsletters", "/about/annual_reports", "PopupMenuItem", "PopupMenu");
    registerItem("i5", "i2", "Press Releases", "/about/press-releases", "PopupMenuItem", "PopupMenu");
    registerItem("i6", "i2", "Partnerships", "/about/sponsors", "PopupMenuItem", "PopupMenu");
    registerItem("i7", "i2", "Giving to Fields", "/about/fundraising", "PopupMenuItem", "PopupMenu");
    registerItem("i8", "", "People & Contacts", "/people-and-contacts", "MainMenuItem", "PopupMenu");
    registerItem("i9", "i8", "Staff", "/people-and-contacts#staff", "PopupMenuItem", "PopupMenu");
    registerItem("i10", "i8", "Board of Directors", "/people-and-contacts/governance", "PopupMenuItem", "PopupMenu");
    registerItem("i11", "i8", "Scientific Advisory Panel", "/people-and-contacts/scientific-advisory-panel", "PopupMenuItem", "PopupMenu");
    registerItem("i12", "i8", "Visiting Researchers", "/people-and-contacts#members", "PopupMenuItem", "PopupMenu");
    registerItem("i13", "", "Programs & Activities", "/activities/", "MainMenuItem", "PopupMenu");
    registerItem("i14", "i13", "Thematic & Focus Programs", "/activities/thematic-and-focus-programs", "PopupMenuItem", "PopupMenu");
    registerItem("i15", "i13", "General Scientific Activity", "/activities/workshops-and-conferences", "PopupMenuItem", "PopupMenu");
    registerItem("i16", "i13", "Commercial & Industrial Programs", "/centres/commercial-and-industrial-mathematics-program", "PopupMenuItem", "PopupMenu");
    registerItem("i17", "i13", "Centre for Mathematical Medicine", "/centres/centre-mathematical-medicine/", "PopupMenuItem", "PopupMenu");
    registerItem("i18", "i13", "Mathematics Education", "/centres/centre-mathematics-education", "PopupMenuItem", "PopupMenu");
    registerItem("i19", "i13", "Outreach", "/activities/outreach", "PopupMenuItem", "PopupMenu");
    registerItem("i20", "i13", "Calendar of Events", "/calendar", "PopupMenuItem", "PopupMenu");
    registerItem("i21", "i13", "Mailing List", "/maillist", "PopupMenuItem", "PopupMenu");
    registerItem("i22", "i13", "Fields<i>Live</i>", "/live", "PopupMenuItem", "PopupMenu");
    registerItem("i23", "i13", "Video Archive", "/video-archive", "PopupMenuItem", "PopupMenu");
    registerItem("i24", "", "Proposals &amp; Applications", "/resources/proposals-and-applications", "MainMenuItem", "PopupMenu");
    registerItem("i25", "i24", "Thematic &amp; Focus Programs", "/resources/proposals-and-applications", "PopupMenuItem", "PopupMenu");
    registerItem("i26", "i24", "Postdoctoral Fellowships", "/resources/proposals-and-applications", "PopupMenuItem", "PopupMenu");
    registerItem("i27", "i24", "General Scientific Activity", "/resources/proposals-and-applications", "PopupMenuItem", "PopupMenu");
    registerItem("i28", "i24", "Outreach", "/resources/proposals-and-applications", "PopupMenuItem", "PopupMenu");
    registerItem("i29", "i24", "Visiting Fields", "/resources/proposals-and-applications", "PopupMenuItem", "PopupMenu");
    registerItem("i30", "", "Honours, Prizes &amp; Fellowships", "/honours-and-fellowships/", "MainMenuItem", "PopupMenu");
    registerItem("i31", "i30", "Fields Institute Fellows", "/honours-and-fellowships/fields-institute-fellows", "PopupMenuItem", "PopupMenu");
    registerItem("i32", "i30", "CRM-Fields-PIMS Prize", "/honours-and-fellowships/crm-fields-pims-prize", "PopupMenuItem", "PopupMenu");
    registerItem("i33", "i30", "Special Lecture Series", "/activities/special-lecture-series", "PopupMenuItem", "PopupMenu");
    registerItem("i34", "i30", "Postdoctoral Fellowships", "/honours-and-fellowships/postdoctoral-fellowships", "PopupMenuItem", "PopupMenu");
    registerItem("i35", "i30", "Margaret Sinclair Memorial Award", "/honours-and-fellowships/margaret-sinclair-memorial-award", "PopupMenuItem", "PopupMenu");
    registerItem("i36", "", "Publications", "/publications/", "MainMenuItem", "PopupMenu");
    registerItem("i37", "i36", "Communications and Monographs", "/publications/communications-and-monographs", "PopupMenuItem", "PopupMenu");
    registerItem("i38", "i36", "Mathematics-in-Industry Case Studies Journal", "http://www.micsjournal.ca/", "PopupMenuItem", "PopupMenu");
    registerItem("i39", "i36", "Fields Mathematics Education Journal", "http://fmej.fields.utoronto.ca/", "PopupMenuItem", "PopupMenu");
    registerItem("i40", "", "Resources and Facilities", "/resources", "MainMenuItem", "PopupMenu");
    registerItem("i41", "i40", "For Visitors", "/resources/for-visitors", "PopupMenuItem", "PopupMenu");
    registerItem("i42", "i40", "For Event Organizers", "/resources/for-event-organizers/", "PopupMenuItem", "PopupMenu");
    registerItem("i43", "i40", "Directions to the Institute", "/about/directions", "PopupMenuItem", "PopupMenu");
    registerItem("i44", "i40", "Mathematical Institutes &amp; Societies", "/resources/in-mathematical-sciences", "PopupMenuItem", "PopupMenu");