/////////////////////////////////////////////////////////////////
//          Copyright (C) 2000 ThinkQuest Team 6657            //
/////////////////////////////////////////////////////////////////
if (navigator.appName == "Microsoft Internet Explorer"){
	var HTMLStr="";
	var i;
	var MenuTemplate = "<table id='<!--menuID-->' STYLE='visibility:hidden;position:absolute;left=158;top=<mt>;width=<mw>' border='0' cellpadding='0' cellspacing='0' align='left' width=140>" +
				"<tr><td colspan='3' background='images/menu/margin.gif'>" +
				"<img src='images/menu/margin.gif' width='30' height='1'></td></tr><!--menu-->" +
				"<tr><td colspan='3' background='images/menu/margin.gif'>" +
				"<img src='images/menu/margin.gif;' width='30' height='1'></td></tr>" +
				"</table>";
	var MenuIDs = new Array();
	var CurrentSubMenu = new Object();
	CurrentSubMenu = null;
}

function doMenus() {document.write(HTMLStr);}

function createMenu(MenuID,MenuWidth,MenuTop){
	var MenuHTML = MenuTemplate;
	var LastItem = MenuIDs.length;
	MenuHTML = MenuHTML.replace("<!--menu-->","<!--menu:" + MenuID + "-->");
	if (MenuWidth != 0) { MenuHTML = MenuHTML.replace("<mw>",MenuWidth);}
	if (MenuTop != 0) { MenuHTML = MenuHTML.replace("<mt>",MenuTop);}
	HTMLStr	+= MenuHTML.replace("<!--menuID-->",MenuID);
	MenuIDs[LastItem] = MenuID;
}

function addMenu(MenuID,MenuItemID,SubMenuID,MenuCaption,MenuLink){
    var MenuCode;
    if (SubMenuID == ""){
		MenuCode = "<tr><td valign='top' width='8' background='images/menu/left_margin.gif'>\r" + 
				   "<img src='images/menu/left_margin.gif' width='8' height='14'></td>\r" +
			       "<td id='" + MenuItemID + "' style='cursor:hand;' background='images/menu/background.gif'\r" +
			       "onmouseover='SelectMenu(" + MenuItemID + ");' " +
		           "onmouseout='UnselectMenu(" + MenuItemID + ");'>" +
				   "<font size='1' face='Verdana'>" + MenuCaption + "</font></td>\r" +
				   "<td valign='top' width='9' background='images/menu/right_margin.gif'>\r" +
				   "<img src='images/menu/right_margin.gif' width='9' height='14'></td></tr>\r";}
    else 
    {
		MenuCode = "<tr><td valign='top' width='8' background='images/menu/left_margin.gif'>" + 
				   "<img src='images/menu/left_margin.gif' width='8' height='14'></td>" +
				   "<td id='" + MenuItemID + "' style='cursor:hand;' background='images/menu/background.gif' " +
				   "onmouseover='SelectMenu(" + MenuItemID  + "," + MenuID + "); " +
				   "DisplayMenu(" + SubMenuID + "," + MenuID + "); '" + 
				   "onmouseout='UnselectMenu(" + MenuItemID + ");'>" +
				   "<font size='1' face='Verdana'>" + MenuCaption + "</font></td>" +
				   "<td valign='top' width='9' background='images/menu/right_margin.gif'>" +
				   "<img src='images/menu/right_margin_ex.gif' width='9' height='14'></td></tr>";
    }
    HTMLStr = HTMLStr.replace("<!--menu:" + MenuID + "-->",MenuCode + "<!--menu:" + MenuID + "-->");
}

function SelectMenu(MenuItemID,MenuID){
	if ((MenuID) && (CurrentSubMenu))
		if (MenuID != CurrentSubMenu)
		{
			var c_item = CurrentSubMenu.style;
			c_item.visibility = "hidden";}
	var m_item = MenuItemID.style;
	m_item.background = "";
	m_item.backgroundColor = "Blue";		
}

function UnselectMenu(MenuItem_ID){
	MenuItem_ID.style.backgroundImage = "";
}

function DisplayMenu(MenuID,MenuOwnerID){
	Menu = MenuID.style;
	if (!MenuOwnerID){ Menu.visibility = "visible"; }
	else {		
		MenuOwner = MenuOwnerID.style;
		Menu.posLeft = (MenuOwner.posLeft + MenuOwner.posWidth) -1;
		Menu.visibility = "visible";
		CurrentSubMenu = MenuID;
	}	
}

function GetObject(MenuID){
	return document.all(MenuID).style;
}

function SetOn(ItemNumber)
{
	document.all.item("MenuItem" + ItemNumber).bgColor = "teal";
}
function SetOff(ItemNumber)
{
	document.all.item("MenuItem" + ItemNumber).bgColor = "";
}