// JavaScript Document

function sh(chapter) {
	if(document.getElementById(chapter).style.display == 'none') {
		document.getElementById(chapter).style.display = 'block';
	} else {
		document.getElementById(chapter).style.display = 'none';
	}
}

function bodyLoad(chapter) {
	if(chapter != '') {
		document.getElementById(chapter).style.display = 'block';
	}
}