Code for TinyMCE:
tinymce.init({ file_picker_callback: function (callback, value, meta) { myImagePicker(callback, value, meta); } }); function myImagePicker(callback, value, meta) { tinymce.activeEditor.windowManager.open({ title: 'Image Browser', url: '/media/browser/1?type=' + meta.filetype, width: 800, height: 550, }, { oninsert: function (url, objVals) { callback(url, objVals); } }); };