/* スパム対策 */
<!--
function vspam(im,domain) {
  maddress = "mailto:" + im + "@" + domain;
  window.location.href = maddress;
}
// -->

/* ページの先頭へ戻る */
function backToTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if (document.documentElement) {
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 1.4), Math.floor(y / 1.4));
	if (x > 0 || y > 0) {
		window.setTimeout("backToTop()", 10);
	}
}


//SubArea menu
function show(inputData) {
	var objID=document.getElementById( "layer_" + inputData );
	var buttonID=document.getElementById( "category_" + inputData );
	if(objID.className=='close') {
		objID.style.display='block';
		objID.className='open';
	}else{
		objID.style.display='none';
		objID.className='close';
	}
}