una/modules/base/text/js/forms.js

function bx_base_text_select_thumb(eCheckbox) {
	bx_base_text_select_ghost(eCheckbox, 'thumb');
}

function bx_base_text_select_ghost(eCheckbox, sName) {
	var eCont = $(eCheckbox).parents('.bx-form-input-files-result');
    if (!eCont.length)
        return;

    eCont.find('.bx-base-text-use-as-' + sName + ' input:checked').each (function () {        
        if($(this).attr('id') != $(eCheckbox).attr('id'))
        	$(this).css('border', '1px solid red').attr('checked', false);
    });
}

function bx_base_text_delete_ghost (iFileId, sFileUrl, sFileIcon, aEditors, oUploaderInstance) {
    if ('undefined' !== typeof(bx_editor_remove_img)) {
        bx_editor_remove_img (
            aEditors,
            ['img[src="' + sFileIcon + '"]', 'img[src="' + sFileUrl + '"]', '#bx-base-text-img-' + iFileId, '.bx-base-text-icon-' + iFileId]
        );
    }
    oUploaderInstance.deleteGhost(iFileId);
}

function bx_base_text_insert_to_post (iFileId, sFileUrl, sEditorId) {
    bx_editor_insert_img (sEditorId, 'bx-base-text-img-' + iFileId, sFileUrl, 'bx-base-text-img');
}