// JavaScript Hide/Show
function show_div(div_id) {
    // hide all the divs
    document.getElementById('div_buyalbum').style.display = 'none';
	document.getElementById('div_album').style.display = 'none';
    // show the requested div
    document.getElementById(div_id).style.display = 'block';
}
function hide_div(div_id) {
    // hide the requested div
    document.getElementById(div_id).style.display = 'none';
	// show main div
	document.getElementById('div_album').style.display = 'block';
}
function show2_div(div_id) {
	document.getElementById('div_howalbum').style.display = 'none';
	document.getElementById('div_aboutalbum').style.display = 'none';
	document.getElementById('div_100album').style.display = 'none';
    // show the requested div
    document.getElementById(div_id).style.display = 'block';
}
function hide2_div(div_id) {
    // hide the requested div
    document.getElementById(div_id).style.display = 'none';
	}