//-----------------�܂肽����
function openTitle(tName){
	tMenu = document.getElementById(tName).style;
	if(tMenu.display=='none')
	{
	tMenu.display = "block";
	}else{
	tMenu.display = "none";
	}
}
function closeTitle(tName){
	cTitle = document.getElementById(tName).style;
	cTitle.display = "none";
}