File list (Check if you may need any files):
JQueryAJAXPHPcaptcha\enquiryform.php
....................\include
....................\.......\jquery.js
....................\readme.txt
....................\securimage
....................\..........\elephant.ttf
....................\..........\example_form.php
....................\..........\gdfonts
....................\..........\.......\automatic.gdf
....................\..........\.......\bubblebath.gdf
....................\..........\.......\caveman.gdf
....................\..........\.......\crass.gdf
....................\..........\images
....................\..........\......\audio_icon.gif
....................\..........\......\refresh.gif
....................\..........\LICENSE.txt
....................\..........\README.txt
....................\..........\securimage.php
....................\..........\securimage_example.php
....................\..........\securimage_play.php
....................\..........\securimage_show.php
....................\verify.php