Fatal error: cannot redeclare function

Fatal error: Cannot redeclare help4cms_replace_include_blank() (previously declared in /home2/somitra/public_html/[site]/truck/wp-content/themes/inovado/functions.php:381) in /home2/somitra/public_html/[site]/truck/wp-content/themes/inovado/functions.php on line 381.

Please help me

function help4cms_wpcf7_form_elements($html)

 {

 function help4cms_replace_include_blank($name, $text, &$html)

 {

 $matches = false;

 preg_match('/<select name="' . $name . '"[^>]*>(.*)<\/select>/iU', $html, $matches);

 if ($matches)

 {

 $select = str_replace('<option value="">---</option>', '<option value="">' . $text . '</option>', $matches[0]);

 $html = preg_replace('/<select name="' . $name . '"[^>]*>(.*)<\/select>/iU', $select, $html);

 }

 }

 

 help4cms_replace_include_blank('ContactState', '--state--', $html); // Chnage here your dropdown menu ID

 help4cms_replace_include_blank('ShipmentState', '--state--', $html); // Chnage here your dropdown menu ID

 help4cms_replace_include_blank('Shipment2State', '--state--', $html); // Chnage here your dropdown menu ID

 return $html;

 }

 

add_filter('wpcf7_form_elements', 'help4cms_wpcf7_form_elements');