I need a help with dropdown list

Thanks I will let you know when it work

Place in helpers.

Code:

// --------------------------------------------------------------------

/**
* build_dropdown()
*
* Builds a select/options dropdown.
*
* @access    public
* @param    string    - the select css class id
* @param    string    - the select css class values
* @param    object    - the database object
* @param    string    - the selected option value
* @param    string    - the onchanged method
* @return    string    - the output string
*/
if ( ! function_exists('build_dropdown'))
{
    //                       id         class    name    array        selected         onchange
    function build_dropdown($id = '', $classes, $name, $dropdown, $selected_value, $onchange_method = '')
    {
        $output  = "<select id='$id' class='$classes' name='$name' $onchange_method>\n";

        foreach ($dropdown as $key => $text)
        {
            $output .= "<option value=\"" . $key . "\"";

            if ($key == $selected_value)
            {
                $output .= " selected";
            }

            $output .= ">" . $text . "</option>\n";
        }

        $output .= "</select>\n";

        return ($output);
    }
}