function scr_onscreen(arg0)
{
    __obj = arg0;
    var __cx = camera_get_view_x(view_camera[0]);
    var __cy = camera_get_view_y(view_camera[0]);
    if ((__obj.x + __obj.sprite_width) < __cx || __obj.x > (__cx + 640) || (__obj.y + __obj.sprite_height) < __cy || __obj.y > (__cy + 480))
        return false;
    else
        return true;
}