var submenu = 0;

function openSubMenu(index)
{
	if (submenu > 0)
		document.getElementById("submenu" + submenu.toString()).style.visibility = "hidden";
		
	document.getElementById("submenu" + index.toString()).style.visibility = "visible";
	submenu = index;
}

function overItem(o, index)
{
	closeSubMenu(index);
	
	o.style.color = "#0C4BB0";
}

function outItem(o)
{
	o.style.color = "#000000";
}

function overSubItem(o)
{
	o.style.backgroundColor = "#000000";
	o.style.color = "#FFFFFF";
}

function outSubItem(o)
{
	o.style.backgroundColor = "#FFFFFF";
	o.style.color = "#000000";
}

function clickSubItem(o, page)
{
	if (submenu > 0)
		document.getElementById("submenu" + submenu.toString()).style.visibility = "hidden";
		
	document.getElementById("menutitle").innerHTML = document.getElementById("menu" + submenu.toString()).innerHTML.toUpperCase();
	document.getElementById("submenutitle").innerHTML = o.innerHTML;
	parent.frames[1].location.href = page;
	
	submenu = 0;
}

function resetMenus()
{
	for (i = 1; i <= 6; i++)
		document.getElementById("submenu" + i.toString()).style.visibility = "hidden";

	submenu = 0;
	document.getElementById("submenutitle").innerHTML = "Home";
	document.getElementById("menutitle").innerHTML = "&nbsp;";
	parent.frames[1].location.href = "main.html";
}

function closeSubMenu(index)
{
	if (submenu == 0)
		return;
		
	if (submenu == index)
		return;
		
	o = document.getElementById("submenu" + submenu.toString());
	o.style.visibility = "hidden";
	
	submenu = 0;
}