Reverse single grid between sub questions and answer options

Challenge

Client would like to show Sub-Questions and Answer Options inversly on Single-Grid. Therefore, we have to reverse the columns and rows on Single-grid. By the way, we have to change the radio buttons accordingly.

Example

We have the original Single Grid like this:

After reversing, we have a Single Grid like this:

Solution

1. Reverse Sub-Questions' names and Answer Options' names.
2. Rearrange the radio buttons accordingly.

Code

var normaloptClick = optclick;
this.optclick = function(slbl, lidx, blnk)
{
   return normaloptClick(slbl, lidx, blnk);
}

quest.onInit = function()
{
   var i,j; 
   // declare variables
   var mytable =  $("table[class='grid_inner']");
   var numberOfQuestions = this.questions.length;
   var numberOfAnswers = quest.questions[0].options.length;
   // get all radio buttons in the Grid
   var radioButtonsEven = $("td[class='grid_subquestion_even']");
   var radioButtonsOdd = $("td[class='grid_subquestion_odd']");

// ~~~~~~swap column to row and inversely~~~~~~


 
// swap radio buttons
   var newTable = $("<table>");
   var ao;
   var sq; 
   var aoName; 
   var sqName;    
   var firstRow = $("<tr>");
   var posAo;
   var posSq;
   firstRow.append($(".grid_empty_cell"));
   for(i=0;i<numberOfQuestions;i++)
   {
      posAo = i + 1;
      sqName = "td[id='grid_subquestion_text_" + posAo +"']";
      sq =$(sqName);
      firstRow.append(sq);
   }
   newTable.append(firstRow);
      
   var newTr;
   for(i=0;i<numberOfAnswers;i++)
   {
      
      posSq = i + 1;
      aoName = "td[id='grid_answeroption_text_" + posSq +"']";
      ao =$(aoName);
      newTr = $('<tr>');
      newTr.append(ao);
      for(j=0;j<numberOfQuestions;j++)
      {
         if (j%2==0)
         {
            newTr.append(radioButtonsEven[Math.round(j/2)*numberOfAnswers+i]);
         }
         else
            newTr.append(radioButtonsOdd[(Math.round(j/2)-1)*numberOfAnswers+i]);
      }
      newTable.append(newTr);
      
   }
   newTable.append($("input[value='']"));
   mytable.empty();
   mytable.append(newTable.children()[0]); 
   
   // Fix the input[type=hidden][name=dir] problem -> Cause bug on IE (can not go to next question)
   if($('input[type=hidden][name=dir]').length == 0)
   	$("#query").append("<input id='dir' type='hidden' name='dir'>"); 
 
   /*
   var ua = navigator.userAgent.toLowerCase(); 
   if ( ua.indexOf( "firefox" ) == -1 && ua.indexOf( "safari" ) == -1) 
   { 
   $("#query").append("<INPUT id='dir' type=hidden name='dir'>");  
   }
   */
}

Source

Questionnaire Resource Id on cg.catglobe.com site: 164079 (Question: Q13_Reverse_single_grid_between_sub_questions_and_)