function showHide(num) {
	var detail = document.getElementById("detail"+num);
	var text = document.getElementById("text"+num);
	if ( detail.style.display != 'none' ) {
		detail.style.display = 'none';
		text.innerHTML = 'more';
	}
	else {
		detail.style.display = 'block';
		text.innerHTML = 'less';
	}
}