title: same functions name in different pages
body: <p>I have some ASP pages and sometimes different pages have same name functions.
  I don't get why those functions react randomly (not executing, error saying is already defined,etc.) if I only <code>&lt;!-- #include --&gt;</code> the one page the user requested. It shouldn't be giving me an error, I guess...<br>
  Can someone explain me this ?</p>