function toggle104() {
	var ann104=document.getElementById('ann104');
    if (ann104.style.visibility=='visible') {
	hide104();
    } else {
	hideNotice();
	show104();
    }
}

function toggleNotice() {
	var notice=document.getElementById('notice');
    if (notice.style.visibility=='visible') {
	hideNotice();
    } else {
	hide104();
	showNotice();
    }
}

function hide104() {
	var ann104=document.getElementById('ann104');
	var btn104=document.getElementById('btn104');
    	ann104.style.visibility='hidden';
    	btn104.value='觀看影像專輯 Watch Video';

}

function show104() {
	var ann104=document.getElementById('ann104');
	var btn104=document.getElementById('btn104');
    	ann104.style.visibility='visible';
    	btn104.value='隠藏影像專輯 Hide Video';
}


function hideNotice() {
	var notice=document.getElementById('notice');
	var btnNotice=document.getElementById('btnNotice');
    	notice.style.visibility='hidden';
    	btnNotice.value='顯示通告 Show Advice';
}

function showNotice() {
	var notice=document.getElementById('notice');
	var btnNotice=document.getElementById('btnNotice');
    	notice.style.visibility='visible';
    	btnNotice.value='隱藏通告 Hide Advice';
}

function hideAll() {
	hide104();
	hideNotice();
}