$fly = "(" . $family_ids . ")";
                $sql = "select model_id from {$model_factors_1} where family in {$fly}";
                $model_arr = $db_object->get_single_column($sql);
                if (count($model_arr) > 0) {
                    $model_ids = @implode(",", $model_arr);
                    $models = "(" . $model_ids . ")";
                    $sql = "select avg(percent_fit) as percent from {$model_percent_fit} where model_id in {$models} \n\t\t\t\t\t\n\t\t\t\t\tand user_id='{$user}'";
                    $percent_arr = $db_object->get_a_line($sql);
                    $total_percent += $percent_arr[0];
                    $count++;
                }
            }
        }
        if ($count >= 1) {
            $percent = $total_percent / $count;
        } else {
            $percent = 0;
        }
        $total = 100;
        $heads = array(array("Same Level Fit", 3, "c"));
        $array = array($percent, $total);
        $vals = $image->return_Array($array);
        $image->init(150, 150, $vals);
        $image->draw_heading($heads);
        $image->set_legend_percent();
        $image->display($filename);
    }
}
$obj = new fit();
$obj->avg_percent_fit_iskill($db_object, $common, $image, $user_id);