var vOpenContainer = null;
var vOpenMenus = null;
var vHideMenuTimer = null;

function S1_menuStartTimeout(hideTimeout) {
	vHideMenuTimer = setTimeout("S1_menuHideMenus()", hideTimeout);	
}

function S1_menuHideMenus() {
	S1_menuResetTimeout();
	if(vOpenContainer) {
		var c = document.getElementById(vOpenContainer);
		c.style.visibility = "inherit";
		vOpenContainer = null;
	}
	if( vOpenMenus ) {
		for(var i in vOpenMenus) {
			var m = document.getElementById(vOpenMenus[i]);
			m.style.visibility = "hidden";			
		}
		vOpenMenus = null;
	}
}

function S1_menuHideSubmenus(menuName) {
	if( vOpenMenus ) {
		var h = false;
		var c = 0;
		for(var i in vOpenMenus) {
			if( h ) {
				var m = document.getElementById(vOpenMenus[i]);
				m.style.visibility = "hidden";
			} else if( vOpenMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		vOpenMenus.length = c+1;
	}
}

function S1_menuOverMenuItem(menuName, subMenuSuffix) {
	S1_menuResetTimeout();
	S1_menuHideSubmenus(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		S1_menuShowSubMenu(subMenuName);
	}
}

function S1_menuShowSubMenu(subMenuName) {
	S1_menuResetTimeout();
	var e = document.getElementById(subMenuName);
	e.style.visibility = "inherit";
	if( !vOpenMenus ) {
		vOpenMenus = new Array;
	}
	vOpenMenus[vOpenMenus.length] = "" + subMenuName;
}

function S1_menuResetTimeout() {
	if (vHideMenuTimer) clearTimeout(vHideMenuTimer);
	vHideMenuTimer = null;
}

function S1_menuShowMenu(containName, menuName, xOffset, yOffset, triggerName) {
	S1_menuHideMenus();
	S1_menuResetTimeout();
	S1_menuShowMenuContainer(containName, xOffset, yOffset, triggerName);
	S1_menuShowSubMenu(menuName);
}

function S1_menuShowMenuContainer(containName, x, y, triggerName) {	
	var c = document.getElementById(containName);
	var s = c.style;
	s.visibility = "inherit";
	
	vOpenContainer = "" + containName;
}