var tm = 0;
timerTM = 1;

function openMenu1() {
	menu1.style.visibility = 'visible';
	menu2.style.visibility = 'hidden'; 
	menu3.style.visibility = 'hidden'; 
	menu4.style.visibility = 'hidden'; 
	
}

function closeMenu1() {		
	timerTM = setTimeout('closeMenu1()',500);
	tm += 1;
	if ( tm > 1 ) { clearTimeout(timerTM); tm = 0;
		menu1.style.visibility = 'hidden'; 
	   }
}

function openMenu2() {
	menu2.style.visibility = 'visible';
	menu1.style.visibility = 'hidden'; 
	menu3.style.visibility = 'hidden'; 
	menu4.style.visibility = 'hidden'; 
	
}

function closeMenu2() {		
	timerTM = setTimeout('closeMenu2()',500);
	tm += 1;
	if ( tm > 1 ) { clearTimeout(timerTM); tm = 0;
		menu2.style.visibility = 'hidden'; 
	   }
}

function openMenu3() {
	menu3.style.visibility = 'visible';
	menu1.style.visibility = 'hidden'; 
	menu2.style.visibility = 'hidden'; 
	menu4.style.visibility = 'hidden'; 
}

function closeMenu3() {		
	timerTM = setTimeout('closeMenu3()',500);
	tm += 1;
	if ( tm > 1 ) { clearTimeout(timerTM); tm = 0;
		menu3.style.visibility = 'hidden'; 
	   }
}


function openMenu4() {
	menu4.style.visibility = 'visible';
	menu1.style.visibility = 'hidden';
	menu2.style.visibility = 'hidden';
	menu3.style.visibility = 'hidden';
}

function closeMenu4() {		
	timerTM = setTimeout('closeMenu4()',500);
	tm += 1;
	if ( tm > 1 ) { clearTimeout(timerTM); tm = 0;
		menu4.style.visibility = 'hidden';
	   }
}

function openFuki() {
	menu4.style.visibility = 'hidden';
	menu1.style.visibility = 'hidden';
	menu2.style.visibility = 'hidden';
	menu3.style.visibility = 'hidden';
	myTable1.style.visibility = 'visible';
}

function closeFuki() {		
	timerTM = setTimeout('closeFuki()',150);
	tm += 1;
	if ( tm > 1 ) { clearTimeout(timerTM); tm = 0;
		myTable1.style.visibility = 'hidden';
	   }
}

function newUp(y, m, d, c) {
  delDay = 7; // 何日後に削除するか
  oldDay = new Date(y + "/" + m + "/" +d);
  newDay = new Date();
  d =(newDay - oldDay) / (1000 * 24 * 3600);
  if(d <= delDay) {
    // Newマーク
    if(c == "new") document.write("<IMG src='http://www.aiben.jp/page/gifimgs/new1.gif' border='0'>");
    // Upマーク
    if(c == "up") document.write("<IMG src='http://www.aiben.jp/page/gifimgs/update.gif' border='0'>");
  }
}