var flgDropDownMenu = false;
var intHideInterval = 700;
var tidDropDownMenu;

function loadDropDownMenu() {
}

function showDropDownMenu(strMenu) {
	if (flgDropDownMenu) {
		hideDropDownMenu();
		document.getElementById(strMenu).className = "dropdownmenu";
	}
}

function overDropDownMenu() {
	clearInterval(tidDropDownMenu);
}

function outDropDownMenu() {
	tidDropDownMenu = setInterval("hideDropDownMenu()", intHideInterval);
}

function hideDropDownMenu() {
	if (flgDropDownMenu) {
		for (i in aryMenuLayer) {
			document.getElementById(aryMenuLayer[i]).className = "none";
		}
		clearInterval(tidDropDownMenu);
	}
}