function create_thumbnail()
{
    global $img, $Pivot_Vars;
    $thumb = new Image($Pivot_Vars['crop'], $Pivot_Vars['crop_w'], $Pivot_Vars['crop_h'], $Pivot_Vars['crop_x'], $Pivot_Vars['crop_y'], $Pivot_Vars['type']);
    $ext = strtolower($img->ext);
    if ($ext == 'gif' || $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png') {
        gd_crop($thumb);
    } else {
        echo "This file extension is not supported, please try JPG, GIF or PNG";
        print_module_footer();
    }
}
function create_thumbnail()
{
    global $img;
    //echo "<pre>\n"; print_r($_GET); echo "</pre>";
    $thumb = new Image($_GET['crop'], $_GET['crop_w'], $_GET['crop_h'], $_GET['crop_x'], $_GET['crop_y'], $_GET['type']);
    $ext = strtolower($img->ext);
    if ($ext == 'gif' || $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png') {
        gd_crop($thumb);
    } else {
        echo __("This file extension is not supported, please try JPG, GIF or PNG");
        print_module_footer();
    }
}