These paths don't look right to me:
$(document).ready(function() {
$( '#F1325af_descent_planning' ).ckeditor(function() { /* callback code */ }, {
toolbar : 'Page',
uiColor: '',
language: 'en',
skin: 'kama',
startupMode: 'wysiwyg',
parent_id: '1326',
package_url: '/wikirim/',
extraPlugins: 'xowikiimage,_description:omit,_page_order:omit',
contentsCss: '/resources/xowiki/ck_contents.css',
imageSelectorDialog: '/xowiki/ckeditor-images/',
ready_callback: 'xowiki_image_callback(e.editor);',
customConfig: '../ck_config.js'
});
CKEDITOR.instances['F1325af_descent_planning'].on('instanceReady',function(e) {xowiki_image_callback(e.editor);});
});