function $(id) {
	return document.getElementById(id);
}

function hideShowDiv(divId) {
	var elem = $(divId);
	if (elem != null) {
		elem.style.display = (elem.style.display == 'none')? 'block':'none';
	}
}

hideShowDiv('attachments');
hideShowDiv('info1');
hideShowDiv('info2');
hideShowDiv('info3');
hideShowDiv('info4');
hideShowDiv('info5');
hideShowDiv('info6');