function showsub(itemID, classID){
	// menu title element
	var menuTitle = document.getElementById('menuTitle'+itemID);
	menuTitle.className = classID;
	// submenu element
	var submenu = document.getElementById('submenu'+itemID);
	submenu.className = "visible";
}

function hidesub(itemID, classID){
	// get menu title element
	var menuTitle = document.getElementById('menuTitle'+itemID);
	menuTitle.className = classID;
	// submenu element
	var submenu = document.getElementById('submenu'+itemID);
	submenu.className = "hidden";	
}

function showrightsub(itemID, classID){
	// menu title element
	var menuTitle = document.getElementById('menuTitle'+itemID);
	menuTitle.className = classID;
	// submenu element
	var submenu = document.getElementById('submenu'+itemID);
	submenu.className = "visible";
	
	var dropDownDiv = document.getElementById("DropDownMenuRight");
	
	if(!isUndefined(dropDownDiv) && !isNull(dropDownDiv)){
		//hide dropdownlists
		var dropdownlists = document.getElementById("DropDownLists");
		dropdownlists.className = "dontshow";
	}
}

function isUndefined(obj){
	return typeof(obj) == "undefined";
}

function isNull(a){
	return typeof a == 'object' && !a;
} 

function hiderightsub(itemID, classID){
	// get menu title element
	var menuTitle = document.getElementById('menuTitle'+itemID);
	menuTitle.className = classID;
	// submenu element
	var submenu = document.getElementById('submenu'+itemID);
	submenu.className = "hidden";	
	
	//show dropdownlists
	var dropdownlists = document.getElementById("DropDownLists");
	dropdownlists.className = "show";
}

function showLeftOver(leftItem){
	leftItem.className = "leftMenuTitleOver";
}

function showLeftActive(leftItem){
	leftItem.className = "leftMenuTitleActive";
}

function showLeftInactive(leftItem){
	leftItem.className = "leftMenuTitleInactive";
}

function submenuStatus(submenuItem, status){
	submenuItem.className = "submenuItem" + status;
}
	
function leftmenuOver(item){
	item.className = "leftMenuMemberItemHover";
}
function leftmenuOut(item){
	item.className = "leftMenuMemberItem";
}