vType = ['none','block'];

function treeMenu(tName) {
	if (document.getElementById(tName)) {
		tMenu = document.getElementById(tName).style;
		tDisp = tMenu.display;

		if (tDisp == 'none') {
			tMenu.display = 'inline';
	  	} else if (tDisp == 'inline') {
			tMenu.display = 'none';
		}
	}
}

function loginalert(on) {
	if (on) {
		alert ("ユーザ名またはパスワードが違います");
	}
}