Question 178 it qid parent_qid sid gid type title question preg help other mandatory question_order language scale_id same_default relevance $(document).ready(function() { // Call the exclude function using question ID excludeOpt ({QID}); }); // A function to make the last option in each array row exclusive function excludeOpt (qID) { var thisQuestion = $('#question'+qID) // Add some classes to the checkbox cells $('table.subquestions-list tbody td', thisQuestion).addClass('normalOpt'); $('table.subquestions-list tbody tr', thisQuestion).each(function(i) { $('.normalOpt:last', this).removeClass('normalOpt').addClass('exlusiveOpt') }); // A listener on the checkbox cells $('table.subquestions-list tbody td', thisQuestion).click(function (event) { // Set some vars var thisRow = $(this).closest('tr'); // Uncheck the appropriate boxes in a row if ($(this).hasClass('normalOpt')) { $('.exlusiveOpt input[type=checkbox]', thisRow).attr('checked', false); } else { $('.normalOpt input[type=checkbox]', thisRow).attr('checked', false); } }); // A listener on the checkboxes $('table.subquestions tbody td input[type=checkbox]', thisQuestion).click(function (event) { // Set some vars var thisRow = $(this).closest('tr'); var thisCell = $(this).closest('td'); // Uncheck the appropriate boxes in a row if ($(thisCell).hasClass('normalOpt')) { $('.exlusiveOpt input[type=checkbox]', thisRow).attr('checked', false); } else { $('.normalOpt input[type=checkbox]', thisRow).attr('checked', false); } }); } Think of the people you know. Could you check how are they employed? You can check more working condition for each category ]]> you can choose more option for each row (the last option of the row deletes the other of the same row)]]> qid parent_qid sid gid type title question preg help other mandatory question_order language scale_id same_default relevance qid attribute value language