mr-legend_wiki/lib/plugins/ckgedit/scripts/mediamgr.js

      if (opener != null && opener.CKEDITOR !== undefined) {
            window.onload = function () {
                var _action = '?ns=&edid=wiki__text&onselect=ckg_edit_mediaman_insert&ckg_media=img&CKEditor=wiki__text&CKEditorFuncNum=1&langCode=en';
                
                    if ((location.search.split("ckg_media=")[1]||"").split("&")[0] == "link") {
                	_action = '?ns=&edid=wiki__text&onselect=ckg_edit_mediaman_insertlink&ckg_media=link&CKEditor=wiki__text&CKEditorFuncNum=1&langCode=en';
                        jQuery(".select").on("click", function(event) {
                            var $link, id;
                            event.preventDefault();
                            $link = jQuery(this);
                            id = $link.attr("id").substr(2);
                            dw_mediamanager.insert(id);                            
                            return;
                        });
                    } else if ((location.search.split("ckg_media=")[1]||"").split("&")[0] == "img") {
                        jQuery("#media__linkbtn4").css("display", "none");
                        ckg_nonimage_overlay();
                    }

                /* update search form action */
                 var valu = jQuery("#dw__mediasearch  input[type='text").val();
                 if(valu == ""){
                     var url = jQuery("form#dw__mediasearch").attr('action'); 
                      jQuery("form#dw__mediasearch").attr('action', url+_action); 
                  };

                jQuery(document).ajaxComplete(function() {
                    ckg_nonimage_overlay();

                jQuery("form[action]").each(function(index, val){
                    var url = jQuery(this).attr('action'); 
                    url = url + _action;              
                    jQuery(this).attr('action',url);
                   });
                });
             };
            
            if(!opener.oDokuWiki_FCKEditorInstanceInLinkDialog)  {
           jQuery( ".odd, .even" ).each( function( index, element ){
                if(!this.title.match(/\.(jpg|jpeg|png|tiff?|gif)$/)){
                    jQuery( this ).html(LANG.plugins.ckgedit.mediamgr_notice+": <b>" + this.title  +"</b>");
                }
            });
            }
        
        }

        function ckg_nonimage_overlay() {
            if ((location.search.split("ckg_media=")[1]||"").split("&")[0] !== "img") {
                return;
            }
        }