window.addEvent('domready', function() {
	// Validation automatique du formulaire de choix d'une catégorie de matière première
    $$('.mod_matierespremierescategories form').each(function(form) {
        mForm = $(form);
        var selects = mForm.getElements('select');
        var others = mForm.getElements('input[type=text],input[type=checkbox],input[type=radio],textarea');
        var submits = mForm.getElements('input[type=submit]');
        if (selects.length == 1 && submits.length == 1 && others.length == 0) {
            mForm.addClass('select-autosubmit');
            $(selects[0]).addEvent('change', function() { form.submit(); });
        }
    }); 
});