function show_rating_edit(){
    var div_edit = document.getElementById('rating_edit');
    var div_view = document.getElementById('rating_view');
    div_view.style.display = 'none';
    div_edit.style.display = 'block';
}

function hide_rating_edit(){
    var div_edit = document.getElementById('rating_edit');
    var div_view = document.getElementById('rating_view');
    div_edit.style.display = 'none';
    div_view.style.display = 'block';
}

function rate(rating) {
    rating_field = document.getElementById('rate_rating');
    if(rating_field) {
       rating_field.value = rating;
       rating_field.form.submit();
   }
   return false;
}