parse error, syntax error in Subs.php

[msvdm]

Is it possible somebody to explane me what is this error i trying to put dropdown search box in my forum and we discussing and trying in smfhelper but i getting this error

Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')'  in /home/my/public_html/forum/Sources/Subs.php on line 4021

[Sarge]

What is the code you are using for the dropdown search box?

[msvdm]

everything is here Link

[karlbenson]

FIND

Code Select Expand

'onclick' => 'return overlay(this, \'subcontent\',\'bottom\')'
'img' => '<img src="', $settings['images_url'], '/search_down.gif" width="10" height="10" />'
REPLACE

Code Select Expand

'onclick' => 'return overlay(this, \'subcontent\',\'bottom\')',
'img' => '<img src="', $settings['images_url'], '/search_down.gif" width="10" height="10" />',

Both needed , at the end of each line.