chooseDepartment = function(id) {
    ids = id.split(':');
    
    jQuery("#dealerId").val(ids[0]);
    
    jQuery('select#department').find("option").remove();
    jQuery('select#department').append(jQuery('select#department'+ids[0]).find('option').clone());
    
    jQuery("select.department").val(ids[1]==''?'main':ids[1]);
    
    jQuery('textarea#message').focus()
    
    return false;
}

jQuery("#dealerId").change(function() {
    el = jQuery(this);
    
    jQuery('select#department').find("option").remove();
    jQuery('select#department').append(jQuery('select#department'+el.val()).find('option').clone());
})