var mmOpenContainer = null;
var mmOpenMenus = null;
var mmHideMenuTimer = null;

function menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("menuHideMenus()", hideTimeout);	
}

function menuHideMenus() {
	menuResetTimeout();
	if(mmOpenContainer) {
		var c = document.getElementById(mmOpenContainer);
		c.style.visibility = "hidden";
		mmOpenContainer = null;
	}
	if( mmOpenMenus ) {
		for(var i in mmOpenMenus) {
			var m = document.getElementById(mmOpenMenus[i]);
			m.style.visibility = "hidden";			
		}
		mmOpenMenus = null;
	}
}

function menuHideSubmenus(menuName) {
	if( mmOpenMenus ) {
		var h = false;
		var c = 0;
		for(var i in mmOpenMenus) {
			if( h ) {
				var m = document.getElementById(mmOpenMenus[i]);
				m.style.visibility = "hidden";
			} else if( mmOpenMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		mmOpenMenus.length = c+1;
	}
}

function menuOverMenuItem(menuName, oElement, subMenuSuffix) {
	menuResetTimeout();
	menuHideSubmenus(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		menuShowSubMenu(subMenuName);
	}
	oElement.className = "StyleSubMenuOver";
}

function menuOutMenuItem(oElement) {
	oElement.className = "StyleSubMenu";
}

function menuShowSubMenu(subMenuName) {
	menuResetTimeout();
	if (document.getElementById(subMenuName)) {
		var e = document.getElementById(subMenuName);
		e.style.visibility = "visible";
		if( !mmOpenMenus ) {
			mmOpenMenus = new Array;
		}
		mmOpenMenus[mmOpenMenus.length] = "" + subMenuName;
	}
}

function menuResetTimeout() {
	if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
	mmHideMenuTimer = null;
}

function menuShowMenu(containName, menuName, xOffset, yOffset) {
	menuHideMenus();
	menuResetTimeout();
	menuShowMenuContainer(containName, xOffset, yOffset);
	menuShowSubMenu(menuName);
}

function menuShowMenuContainer(containName, x, y) {	
	if (document.getElementById(containName))
	{
		var c = document.getElementById(containName);
		c.style.visibility = "visible";
		
		mmOpenContainer = "" + containName;
	}
}