how can I transfer these value to my internal functions?
that is to say, I won't use a ASP, cgi or php, I just want to find any way function like javascript does in webpages.
there is no support for any scripting language in XHTML Mobile Profile.
The only thing, that you might try is sending the values to a wml-script page via the action attribute of the form elment like
action="myScript.wmlsc#validateInput()"
The WML-script may then again open an XHTML Page, according to the users input, using the WML Browser library like: