function insertinterest () {
    var tbl = document.getElementById('intereststable');
    var lastRow = tbl.rows.length;
    // if there's no header row in the table, then iteration = lastRow + 1
    var iteration = lastRow;
    var row = tbl.insertRow(lastRow);
  
    // left cell
    var cellLeft = row.insertCell(0);
    var el1 = document.createElement('select');
    el1.name = 'category' + iteration;
    el1.id = 'category' + iteration;
    el1.options[0] = new Option ("-- Select --");
    el1.options[1] = new Option ("Government", 1);
    el1.options[2] = new Option ("Business", 2);
    el1.options[3] = new Option ("Education", 3);
    el1.options[4] = new Option ("Travel", 4);
    el1.options[5] = new Option ("Media & Culture", 5);
    el1.options[6] = new Option ("Organisations", 6);

    cellLeft.appendChild(el1);
    cellLeft.className = 'leftcol nottoprow';
  
    // right cell
    var cellRight = row.insertCell(1);
    var el2 = document.createElement('select');
    el2.name = 'country' + iteration;
    el2.id = 'country' + iteration;
    el2.options[0] = new Option ("-- Select --");
    el2.options[1] = new Option ("Australia", 1);
    el2.options[2] = new Option ("New Zealand", 2);
    el2.options[3] = new Option ("Cyprus", 19);
    el2.options[4] = new Option ("Botswana", 20);
    el2.options[5] = new Option ("Antigua & Barbuda", 22);
    el2.options[6] = new Option ("Bahamas, The", 23);
    el2.options[7] = new Option ("Gambia, The", 24);
    el2.options[8] = new Option ("Bangladesh", 25);
    el2.options[9] = new Option ("United Republic of Tanzania", 26);
    el2.options[10] = new Option ("Nigeria", 27);
    el2.options[11] = new Option ("Cameroon", 29);
    el2.options[12] = new Option ("United Kingdom", 30);
    el2.options[13] = new Option ("South Africa", 31);
    el2.options[14] = new Option ("Barbados", 32);
    el2.options[15] = new Option ("Papua New Guinea", 33);
    el2.options[16] = new Option ("Tonga", 34);
    el2.options[17] = new Option ("Ghana", 35);
    el2.options[18] = new Option ("Zambia", 36);
    el2.options[19] = new Option ("Nauru", 37);
    el2.options[20] = new Option ("Trinidad & Tobago", 38);
    el2.options[21] = new Option ("Uganda", 39);
    el2.options[22] = new Option ("Brunei Darussalam", 40);
    el2.options[23] = new Option ("Belize", 41);
    el2.options[24] = new Option ("Mauritius", 42);
    el2.options[25] = new Option ("Malta", 43);
    el2.options[26] = new Option ("Tuvalu", 44);
    el2.options[27] = new Option ("Malawi", 46);
    el2.options[28] = new Option ("Pakistan", 47);
    el2.options[29] = new Option ("Canada", 48);
    el2.options[30] = new Option ("Kenya", 50);
    el2.options[31] = new Option ("Dominica", 51);
    el2.options[32] = new Option ("Grenada", 52);
    el2.options[33] = new Option ("Guyana", 53);
    el2.options[34] = new Option ("India", 54);
    el2.options[35] = new Option ("Jamaica", 55);
    el2.options[36] = new Option ("Kiribati", 56);
    el2.options[37] = new Option ("Lesotho", 57);
    el2.options[38] = new Option ("Malaysia", 58);
    el2.options[39] = new Option ("Maldives", 59);
    el2.options[40] = new Option ("Mozambique", 60);
    el2.options[41] = new Option ("Namibia", 61);
    el2.options[42] = new Option ("St Kitts & Nevis", 62);
    el2.options[43] = new Option ("St Lucia", 63);
    el2.options[44] = new Option ("St Vincent & the Grenadines", 64);
    el2.options[45] = new Option ("Samoa", 65);
    el2.options[46] = new Option ("Seychelles", 66);
    el2.options[47] = new Option ("Sierra Leone", 67);
    el2.options[48] = new Option ("Singapore", 68);
    el2.options[49] = new Option ("Sri Lanka", 69);
    el2.options[50] = new Option ("Swaziland", 70);
    el2.options[51] = new Option ("Vanuatu", 71);
    el2.options[52] = new Option ("Solomon Islands", 72);
    el2.options[53] = new Option ("Fiji", 45);
  
    cellRight.appendChild(el2);
    cellRight.className = 'rightcol nottoprow';
  
}