How Get the absolete URL from a relative url placed into a input form?

adding asp and php topics, you finally answered me in your previous question
you just need to read the header using server code and see if you get a http 301 redirect code (maybe you to handle 302) and check if the new location start by "https" with the same address

Hello,

I have a problem in programming! Formerly the languages had little more than 100 commands and functions, in the old days of the turbo pascal, but, today they are thousands and I do not know how to DECORATE ALL !!!

I am working with with 2 files. The first one with a input form and the 2nd in asp classic with Server.CreateObject ("Microsoft.XMLHTTP") and the script of the .asp file does not accept another url that the absolute url. For example:

the absolute url http://www.elmundo.es gives an error: msxml3.dll error '80070005'

It accepsts only the absolute ands correct url https://www.elmundo.es

And does not redirect the 'wrong' url to correct and current url

Yes, the asp classic and PhP have more options to answer this question, but I need reading and try the available codes to see if I could "rewrite" them

PS: Unfortunately due this 'problem" I could not to do the academic course I love because it have the logic program discipline!!!
Thank you in advance

Dear David S.

In another case I have 1 file in .asp and another in .php. Yes. "they working fine".

This script may be useful: LINK TO CONCURRENT SITE REMOVED

I will search for more to see if I find a code more simple and easy to rewrite it.

thanks by now

Hello, If  I sign up yours solve my question (and other) with a reasonale answer?

Many thanks