var points = new Array();
    points[0] = new Array();
    points[0][0] = 2;
    points[0][1] = 3;
    points[0][2] = 1;
    points[1] = new Array();
    points[1][0] = 1;
    points[1][1] = 3;
    points[1][2] = 2;
    points[2] = new Array();
    points[2][0] = 3;
    points[2][1] = 2;
    points[2][2] = 1;
    points[3] = new Array();
    points[3][0] = 2;
    points[3][1] = 3;
    points[3][2] = 1;
    points[4] = new Array(); 
    points[4][0] = 1;
    points[4][1] = 2;
    points[4][2] = 3;
    points[5] = new Array();
    points[5][0] = 1;
    points[5][1] = 2;
    points[5][2] = 3;
    points[6] = new Array();
    points[6][0] = 2;
    points[6][1] = 1;
    points[6][2] = 3;
    points[7] = new Array();
    points[7][0] = 1;
    points[7][1] = 2;
    points[7][2] = 3;
    points[8] = new Array();
    points[8][0] = 3;
    points[8][1] = 1;
    points[8][2] = 2;
    points[9] = new Array();
    points[9][0] = 1;
    points[9][1] = 2;
    points[9][2] = 3;
    points[10] = new Array();
    points[10][0] = 2;  
    points[10][1] = 3;
    points[10][2] = 1;
    points[11] = new Array();
    points[11][0] = 1;  
    points[11][1] = 3;
    points[11][2] = 2;
    points[12] = new Array();
    points[12][0] = 3;  
    points[12][1] = 2;
    points[12][2] = 1;
    points[13] = new Array();
    points[13][0] = 3;  
    points[13][1] = 1;
    points[13][2] = 2;
    points[14] = new Array();
    points[14][0] = 3;  
    points[14][1] = 2;
    points[14][2] = 1;

function calculerResultat() {
    var nbQuestions = 15;
    var reponses = Array();
    var score = 0;  
     
    var i = 1;
    for(i = 1; i <= nbQuestions; i++) {
        var radio = document.forms["questionForm"].elements["question" + i];
        var nbRadios = radio.length;
        var j = 0;
        for (j = 0; j < nbRadios; j++) {        
          
            if (radio[j].checked) {     
                reponses[i] =  radio[j].value;    
                if (reponses[i] == "a") {
                    score = score + points[i-1][0];
                } else if (reponses[i] == "b") {
                    score = score + points[i-1][1];
                } else if (reponses[i] == "c") {
                    score = score + points[i-1][2];
                }     
    
            } 
        }
        
        document.forms["questionForm"].elements["resultat"].value = score + " point(s)";
    }
    
    
   
}