function toggleDownload(id) {
    idContent = 'download-content-'+id;
    idToggleDown = 'dl-toggle-down-'+id;
    idToggleRight = 'dl-toggle-right-'+id;
    
    Effect.toggle(idContent, 'appear', { duration: 0.1 });
    Effect.toggle(idToggleDown, 'appear', { duration: 0.1 });
    Effect.toggle(idToggleRight, 'appear', { duration: 0.1 });
}