my $files_to_remove = "The following files will be removed from your account
 if they exist: \n" . join(", ", @files_to_remove);
    print <<END;
   <script language="JavaScript">
     function details()
     {  alert("$files_to_remove");  }
   </script> 
....
[<a href="javascript:details('')"class="linkmaroonsm">Details</a>]
....
END