Environment :- Windows XP with Service Pack 2, IIS
Requirement:- You are using IIS to run html pages

Use Case:-
While running web pages from Internet Information Server(IIS) on a local
machine, u have a page with a textbox that accepts path to a local file
system ( file on ur hard drive ) & a submit button that creates window & open
the file mentioned in textbox. If u click submit button the new window is not
opened & a error message is there with error " ACCESS DENIED"

Code Snippet:-

<HTML>
<HEAD>
<SCRIPT>
function WinodwOpen()
{
// taking the file name from textbox
var filePath = frm.path.value ;
window.open( filepath );
// Above method gives error as ACCESS DENIED
}
</SCRIPT>
</HEAD>
<BODY><FORM name=frm>
<INPUT type=text name=path >
<INPUT TYPE=buttton name=btnSumnit onClick="CreateWindow()">
</FORM>
</BODY>
</HTML>
<!-- The file name is supplied by you in textbox -->