For example, I need to save in -my downloads- a PDF containing some records with my contact info.

And with the same click save also in -my downloads- a PDF containing exactly the same records but with extra non public fields. Every time I press this button, I only get the second document, while the request for the fist one is ignored.

I need the second request to be on hold, until the fist one is downloaded, and then to continue downloading the second document.  I need this two documents in my computer hard drive with a single click.

In other example, I need that also with a single click, 16 PDF fields containing my 2500 records, to be downloaded in my hard drive, I don't mind the time it gets.

Now what I have to do to get this PDF files, is to click one link, wait, and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait,and click the next one, wait, etc.