function display(id) {
	var show = true;
	if ((id > 0) && (document.getElementById('box_js_' + id).style.display == 'block'))
		show = false;

	for(var i = 0; i < 7; i++) {
		document.getElementById('box_js_' + (i + 1)).style.visibility = 'hidden';
		document.getElementById('box_js_' + (i + 1)).style.display    = 'none';
		document.getElementById('box_js_a_' + (i + 1)).style.background = 'url(fileadmin/templates/img/bg_box_js.gif)';
	}

	if (show && (id > 0)) {
		document.getElementById('box_js_' + id).style.visibility = 'visible';
		document.getElementById('box_js_' + id).style.display    = 'block';
		document.getElementById('box_js_a_' + id).style.backgroundImage.src = 'fileadmin/templates/img/bg_box_js_hl.gif';
		document.getElementById('box_js_a_' + id).style.background = 'url(fileadmin/templates/img/bg_box_js_hl.gif)';
	}
}