function controlerFormulaire(theForm)
{
    if (emptyFormElements(theForm, 'mail') &&  
    emptyFormElements(theForm, 'texte'))
        return true;
    else
        return false;
}


/**
 * Displays an error message if an element of a form hasn't been completed and
 * should be
 *
 * @param   object   the form
 * @param   string   the name of the form field to put the focus on
 *
 * @return  boolean  whether the form field is empty or not
 */
function emptyFormElements(theForm, theFieldName)
{
    var isEmpty  = 1;
    var theField = theForm.elements[theFieldName];
    // Whether the replace function (js1.2) is supported or not
    //var isRegExp = (typeof(theField.value.replace) != 'undefined');
    isEmpty = (theField.value == '') ? 1 : 0;
    //if (!isRegExp) {
    //    isEmpty      = (theField.value == '') ? 1 : 0;
    //} else {
    //    var space_re = new RegExp('\\s+');
    //    isEmpty      = (theField.value.replace(space_re, '') == '') ? 1 : 0;
    //}
    if (isEmpty) {
        //theForm.reset();
        theField.select();
        alert("Formulaire incomplet!");
        theField.focus();
        return false;
    }

    return true;
} // end of the 'emptyFormElements()' function


/**
 * Ensures a value submitted in a form is numeric and is in a range
 *
 * @param   object   the form
 * @param   string   the name of the form field to check
 * @param   integer  the minimum authorized value
 * @param   integer  the maximum authorized value
 *
 * @return  boolean  whether a valid number has been submitted or not
 */
function checkFormElementInRange(theForm, theFieldName, min, max)
{
    var theField         = theForm.elements[theFieldName];
    var val              = parseInt(theField.value);

    if (typeof(min) == 'undefined') {
        min = 0;
    }
    if (typeof(max) == 'undefined') {
        max = Number.MAX_VALUE;
    }

    // It's not a number
    if (isNaN(val)) {
        theField.select();
        alert(errorMsg1);
        theField.focus();
        return false;
    }
    // It's a number but it is not between min and max
    else if (val < min || val > max) {
        theField.select();
        alert(val + errorMsg2);
        theField.focus();
        return false;
    }
    // It's a valid number
    else {
        theField.value = val;
    }

    return true;
} // end of the 'checkFormElementInRange()' function