> Could you give me some useful advice please?
identify the specific problem/s you have
post each problem in a separate topic
post the code you've tried
let us know what you expect the code to do Vs what it actually does
most times, when posting 'the code you've tried', you will get quicker
solutions if you create/post a stand-alone program based on that problem
i.e. it includes no code unrelated to the problem =
SSCCE