function getRBtnName(GrpName) {
  var sel = document.getElementsByName(GrpName);
  var fnd = -1;
  var str = '';
  for (var i=0; i<sel.length; i++) {
    if (sel[i].checked == true) { str = sel[i].value;  fnd = i; }
  }
//  return fnd;   // return option index of selection
// comment out next line if option index used in line above  
  return str;
}

function calcul() {
    var A = getRBtnName('q1') * 1;
    var B = getRBtnName('q2') * 1;
    var C = getRBtnName('q3') * 1;
    var D = getRBtnName('q4') * 1;
    var E = getRBtnName('q5') * 1;
    var F = getRBtnName('q6') * 1;
    var G = getRBtnName('q7') * 1;
	var H = getRBtnName('q8') * 1;
  
    var total = A + B + C + D + E + F + G;
	var total2 = total + H;
   document.getElementById("total1").innerHTML='Total Q1 à Q7: <span>'+total+'</span>';
   document.getElementById("total2").innerHTML='Score IPSS: <span>'+total2+'</span>';
  
}