//menu definition
    Menu1_1 = new tMenu('normal', 'm_over', 'm_down', 115, 30, 'Right', 250, 1000, 20, 20, 100, 0, true, null);
    Menu1_2 = new tMenu('normal', 'm_over', 'm_down', 115, 30, 'Right', 250, 1000, 20, 20, 95, 0, true, null);

    //top level Buttons
    M1B1 = new tSimpleButton('M1B1', 'Home', '', Menu1_1, '', 0, 87, null, null);
    M1B2 = new tSimpleButton('M1B2', 'Software', '', Menu1_1, '', 0, 0, null, M1B1);
    M1B3 = new tSimpleButton('M1B3', 'IT Services', '', Menu1_1, '', 0, 0, null, M1B2);
    M1B4 = new tSimpleButton('M1B4', 'Products', '', Menu1_1, '', 0, 0, null, M1B3);
    M1B5 = new tSimpleButton('M1B5', 'Success Stories', '', Menu1_1, 'document.location.href=\'SuccessStories.html\';', 0, 0, null, M1B4);
    M1B6 = new tSimpleButton('M1B6', 'Online Tour', '', Menu1_1, 'document.location.href=\'OnlineTour.html\';', 0, 0, null, M1B5);

    //--------------------------------------------------------2nd level menu
    //child buttons for button 1
    M1B1_1 = new tSimpleButton('M1B1_1', 'Welcome', '', Menu1_2, 'document.location.href=\'index.html\';', 0, 4, M1B1, null);
    M1B1_2 = new tSimpleButton('M1B1_2', 'About us', '', Menu1_2, 'document.location.href=\'aboutus.html\';', 0, 0, M1B1, M1B1_1);	
    M1B1_3 = new tSimpleButton('M1B1_3', 'Partnerships', '', Menu1_2, 'document.location.href=\'partnerships.html\';', 0, 0, M1B1, M1B1_2);
    M1B1_4 = new tSimpleButton('M1B1_4', 'Careers', '', Menu1_2, 'document.location.href=\'careers.html\';', 0, 0, M1B1, M1B1_3);
    M1B1_5 = new tSimpleButton('M1B1_5', 'Contact us', '', Menu1_2, 'document.location.href=\'ContactUs.html\';', 0, 0, M1B1, M1B1_4);
    M1B1_6 = new tSimpleButton('M1B1_6', 'Our People', '', Menu1_2, 'document.location.href=\'OurPeople.html\';', 0, 0, M1B1, M1B1_5);
    M1B1_7 = new tSimpleButton('M1B1_7', 'Rates & policies', '', Menu1_2, 'document.location.href=\'Rates.html\';', 0, 0, M1B1, M1B1_6);

    //child buttons of button 2
    M1B2_1 = new tSimpleButton('M1B2_1', 'Development', '', Menu1_2, 'document.location.href=\'Development.html\';', 0, 4, M1B2, null);
    M1B2_2 = new tSimpleButton('M1B2_2', 'Technologies', '', Menu1_2, 'document.location.href=\'Technologies.html\';', 0, 0, M1B2, M1B2_1);

    //child buttons of button 3
    M1B3_1 = new tSimpleButton('M1B3_1', 'Capabilities', '', Menu1_2, 'document.location.href=\'Capability.html\';', 0, 4, M1B3, null);
    M1B3_2 = new tSimpleButton('M1B3_2', 'Statement', '', Menu1_2, 'document.location.href=\'Statement.html\';', 0, 0, M1B3, M1B3_1);
    M1B3_3 = new tSimpleButton('M1B3_3', 'Internet Cafe', '', Menu1_2, 'document.location.href=\'InternetCafe.html\';', 0, 0, M1B3, M1B3_2);
  
    //child buttons of button 4
    M1B4_1 = new tSimpleButton('M1B4_1', 'FloorWorks', '', Menu1_2, 'document.location.href=\'FloorWorks.html\';', 0, 4, M1B4, null);
    M1B4_2 = new tSimpleButton('M1B4_2', 'Mapping', '', Menu1_2, 'document.location.href=\'Mapping.html\';', 0, 0, M1B4, M1B4_1);
    M1B4_3 = new tSimpleButton('M1B4_3', 'PDA Software', '', Menu1_2, 'document.location.href=\'PDA.html\';', 0, 0, M1B4, M1B4_2);
    M1B4_4 = new tSimpleButton('M1B4_4', 'Linux', '', Menu1_2, 'document.location.href=\'linux.html\';', 0, 0, M1B4, M1B4_3);
    M1B4_5 = new tSimpleButton('M1B4_5', 'TAPI', '', Menu1_2, 'document.location.href=\'TAPI.html\';', 0, 0, M1B4, M1B4_4);


    //Child buttons of button 5
    M1B5_1 = new tSimpleButton('M1B5_1', 'Adelaide Uni', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 4, M1B5, null);
    M1B5_2 = new tSimpleButton('M1B5_2', 'DHS', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_1);
    M1B5_3 = new tSimpleButton('M1B5_3', 'ICR Group', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_2);
    M1B5_4 = new tSimpleButton('M1B5_4', 'Clipsal', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_3);
    M1B5_5 = new tSimpleButton('M1B5_5', 'Borland', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_4);
    M1B5_6 = new tSimpleButton('M1B5_6', 'Oz Experience', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_5);
    M1B5_7 = new tSimpleButton('M1B5_7', 'Music on Hold', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_6);
    M1B5_8 = new tSimpleButton('M1B5_8', 'Grain Corp', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_7);
    M1B5_9 = new tSimpleButton('M1B5_9', 'Grain Control', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_8);
    M1B5_10 = new tSimpleButton('M1B5_10', 'Oz Bulk', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_9);
    M1B5_11 = new tSimpleButton('M1B5_11', 'RN Technologies', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_10);
    M1B5_12 = new tSimpleButton('M1B5_12', 'suburban taxis', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_11);
    M1B5_13 = new tSimpleButton('M1B5_13', 'Electranet', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_12);
    M1B5_14 = new tSimpleButton('M1B5_14', 'B3', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_13);
    M1B5_15 = new tSimpleButton('M1B5_15', 'Graphic Alliance', '', Menu1_2, 'document.location.href=\'SuccessStories.html\';', 0, 0, M1B5, M1B5_14);

    //--------------------------------------------------------3rd level menu
    //child buttons for m1b1_3
    M1B1_3_1 = new tSimpleButton('M1B1_3_1', 'Axios IT', '', Menu1_2, 'document.location.href=\'partnerships.html\';', 3, 0, M1B1_3, null);
    M1B1_3_2 = new tSimpleButton('M1B1_3_2', 'Borland', '', Menu1_2, 'document.location.href=\'partnerships.html\';', 0, 0, M1B1_3, M1B1_3_1);	
    M1B1_3_3 = new tSimpleButton('M1B1_3_3', 'Microsoft', '', Menu1_2, 'document.location.href=\'partnerships.html\';', 0, 0, M1B1_3, M1B1_3_2);
    M1B1_3_4 = new tSimpleButton('M1B1_3_4', 'Adelaide Uni', '', Menu1_2, 'document.location.href=\'partnerships.html\';', 0, 0, M1B1_3, M1B1_3_3);
    M1B1_3_5 = new tSimpleButton('M1B1_3_5', 'QikDraw Systems', '', Menu1_2, 'document.location.href=\'partnerships.html\';', 0, 0, M1B1_3, M1B1_3_4);


    //child buttons for m1b4_1
    M1B4_1_1 = new tSimpleButton('M1B4_1_1', 'Download', '', Menu1_2, 'document.location.href=\'DownLoad.html\';', 3, 0, M1B4_1, null);
    M1B4_1_2 = new tSimpleButton('M1B4_1_2', 'Training', '', Menu1_2, 'document.location.href=\'Training.html\';', 0, 0, M1B4_1, M1B4_1_1);	
    M1B4_1_3 = new tSimpleButton('M1B4_1_3', 'Registration', '', Menu1_2, 'document.location.href=\'Registration.html\';', 0, 0, M1B4_1, M1B4_1_2);
    M1B4_1_4 = new tSimpleButton('M1B4_1_4', 'Payments', '', Menu1_2, 'document.location.href=\'Payment.html\';', 0, 0, M1B4_1, M1B4_1_3);

    //child buttons for m1b4_2
    M1B4_2_1 = new tSimpleButton('M1B4_2_1', 'DHS', '', Menu1_2, 'document.location.href=\'Mapping.html\';', 3, 0, M1B4_2, null);
    M1B4_2_2 = new tSimpleButton('M1B4_2_2', 'Toilet Map', '', Menu1_2, 'document.location.href=\'Mapping.html\';', 0, 0, M1B4_2, M1B4_2_1);	
    M1B4_2_3 = new tSimpleButton('M1B4_2_3', 'Saicorp', '', Menu1_2, 'document.location.href=\'Mapping.html\';', 0, 0, M1B4_2, M1B4_2_2);

    //child buttons for m1b4_3
    M1B4_3_1 = new tSimpleButton('M1B4_3_1', 'Diabeted mgt', '', Menu1_2, 'document.location.href=\'PDA.html\';', 3, 0, M1B4_3, null);

    //child buttons for m1b4_4
    M1B4_4_1 = new tSimpleButton('M1B4_4_1', 'MP3 Player', '', Menu1_2, 'document.location.href=\'Linux.html\';', 3, 0, M1B4_4, null);
    M1B4_4_2 = new tSimpleButton('M1B4_4_2', 'Music On Hold System', '', Menu1_2, 'document.location.href=\'Linux.html\';', 0, 0, M1B4_4, M1B4_4_1);	
    M1B4_4_3 = new tSimpleButton('M1B4_4_3', 'Video Player', '', Menu1_2, 'document.location.href=\'Linux.html\';', 0, 0, M1B4_4, M1B4_4_2);