EVOLUTION-MANAGER

Edit File: tinymce.php

<?php

class add_nextgenPublicUpload_button {

public $pluginname = "nextgenPublicUpload";

function __construct()  {
		add_filter( 'tiny_mce_version', array( $this, 'change_tinymce_version' ) );
		add_action( 'init'            , array( $this, 'addbuttons' ) );
	}

function addbuttons() {
		if ( ! current_user_can( 'edit_posts' ) && ! current_user_can( 'edit_pages' ) )
			return;

if ( get_user_option( 'rich_editing' ) == 'true') {

add_filter("mce_external_plugins", array($this, "add_tinymce_plugin" ), 5);
			add_filter('mce_buttons'         , array($this, 'register_button' ), 5);
		}
	}

function register_button($buttons) {

array_push( $buttons, "separator", $this->pluginname );

return $buttons;
	}

function add_tinymce_plugin($plugin_array) {

$plugin_array[ $this->pluginname ] =  nextgenPublicUpload_URLPATH . 'tinymce/editor_plugin.js';

return $plugin_array;
	}

function change_tinymce_version($version) {
		return ++$version;
	}

}

$tinymce_button = new add_nextgenPublicUpload_button();