Welcome to the LimeSurvey Community Forum

<script type="text/javascript">
    $(document).on('ready pjax:scriptcomplete',function(){
 
        function shuffleArray(array) {
            for (var i = array.length - 1; i > 0; i--) {
                var j = Math.floor(Math.random() * (i + 1));
                var temp = array[i];
                array[i] = array[j];
                array[j] = temp;
            }
            return array;
        }
 
        // Merge function
        function mergeArrays(array1, array2) {
            var mergedArray = [];
            var maxLength = Math.max(array1.length, array2.length);
 
            for (var i = 0; i < maxLength; i++) {
                if (i < array2.length) {
                    mergedArray.push(array2[i]);
                }
                if (i < array1.length) {
                    mergedArray.push(array1[i]);
                }
            }
 
            return mergedArray;
        }
 
        //Identify this question
        var thisQuestion = $('#question{QID}');
        var thisAnswerList = $('tr.answers-list:eq(0)', thisQuestion).parent();
        var thisTable = $('table.subquestion-list:eq(0)', thisQuestion);
 
        // Special codes appear after
        var afterCode = 4;
 
        //Array for K Codes
        var array_k = ["b","d","g","h","i","j","l"];
 
        //Array for N Codes
        var array_n = ["c","e","f","k","m","n"];
 
        //Array for Special K Codes
        var array_sk = [];
 
        //Array for Special N codes
        var array_sn = ["a"];
 
        //Array for super special codes
        var array_ss = ["p"];
 
        // Shuffle order of "normal" arrays
        shuffleArray(array_k);
        shuffleArray(array_n);
 
        // Slice "normal" arrays and merge second part to special codes
        array_sk = array_sk.concat(array_k.slice(afterCode));
        array_sn = array_sn.concat(array_n.slice(afterCode));
 
        // Save only first part of "normal" arrays
        array_k = array_k.slice(0, afterCode);
        array_n = array_n.slice(0, afterCode);
 
        // Shuffle special arrays
        shuffleArray(array_sk);
        shuffleArray(array_sn);
        shuffleArray(array_ss);
 
        // Combine normal and special arrays
        array_k = array_k.concat(array_sk);
        array_n = array_n.concat(array_sn);
 
        // Merge arrays in order n,k,n,k...
        var array_res = mergeArrays(array_k, array_n);
 
        //Add super special array to end of result array
        array_res = array_res.concat(array_ss);
 
        // Loop through the answer codes
        $.each(array_res, function(i, val) {
            // Move the answer item
            $(thisAnswerList).append($('tr.answers-list[id$="X{QID}'+val+'"]', thisQuestion));
        });
 
        // Fix up the row background colours
        $('tr.answers-list', thisQuestion). each (function(i){
            $(this).removeClass('ls-even ls-odd');
            if(i % 2 == 0) {
                $(this).addClass('ls-even');
            }
            else {
                $(this).addClass('ls-odd');
            }
        });
 
    });  
 
</script>