function modifySaleSelection(p_action, p_id,msg1,msg2) {
    if(p_action == 'add') {
        $("#sale_infos").before('<div id="alert'+p_id+'" class="alert"><td colspan="3">'+saleSelected+'</div>');
        $("#link"+p_id).text(msg1);
        $("#link"+p_id).attr("href", "javascript:modifySaleSelection('del', "+p_id+",'"+msg1+"','"+msg2+"');");
    } else {
        $("#sale_infos").before('<div id="alert'+p_id+'" class="alert">'+saleUnselected+'</div>');
        $("#link"+p_id).text(msg2);
        $("#link"+p_id).attr("href", "javascript:modifySaleSelection('add', "+p_id+",'"+msg1+"','"+msg2+"');");
    }
    $.getJSON("/lots_list.php", 
        {action: p_action, type: "vente", id: p_id});
    setTimeout('deleteAlert('+p_id+')', 2000);
}
function deleteAlert(p_id) {
    $("#alert"+p_id).remove();
}