function calcul(weight,scalefactor)
{
calories=(Math.round(weight*scalefactor));
return calories;
}
function compute(form)
{
var w=form.weight.value*1.00000
form._2fois.value=calcul(w,0.97333)
form._3fois.value=calcul(w,0.94400)
form._4fois.value=calcul(w,0.91600)
form._5fois.value=calcul(w,0.88880)
form._6fois.value=calcul(w,0.86100)
form._7fois.value=calcul(w,0.83300)
form._8fois.value=calcul(w,0.80500)
form._9fois.value=calcul(w,0.777333)
form._10fois.value=calcul(w,0.74850)
form._11fois.value=calcul(w,0.72100)
form._12fois.value=calcul(w,0.69420)
form._13fois.value=calcul(w,0.66666)
form._14fois.value=calcul(w,0.63900)
form._15fois.value=calcul(w,0.61100)
}
function clearvalues(form)
{
form.weight.value= 0
form._2fois.value=""
form._3fois.value=""
form._4fois.value=""
form._5fois.value=""
form._6fois.value=""
form._7fois.value=""
form._8fois.value=""
form._9fois.value=""
form._10fois.value=""
form._11fois.value=""
form._12fois.value=""
form._13fois.value=""
form._14fois.value=""
form._15fois.value=""
}
//****************/
function FrontPage_Form1_Validator(theForm)
{

  if (theForm.weight.value.length > 3)
  {
    alert("Tapez au plus 3 caractères dans le champ \"weight\".");
    theForm.weight.focus();
    return (false);
  }

  var checkOK = "0123456789-";
  var checkStr = theForm.weight.value;
  var allValid = true;
  var validGroups = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("Ne tapez que  chiffre caractères dans le champ \"weight\".");
    theForm.weight.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseInt(allNum);
  if (chkVal != "" && !(prsVal > 1))
  {
    alert("Tapez une valeur supérieure à \"1\" dans le champ \"weight\".");
    theForm.weight.focus();
    return (false);
  }
  return (true);
}