var offf;
var menus = new Array();
var SelColF = 'white';
var SelColB = 'black';
var CurColF = 'black';
var CurColFL = 'black';
var BodyLeftMargin = 1;

function MenuRegister(item)
{
	menus[menus.length] = item;
	return (menus.length - 1);
}

function MenuItem(caption, command, image, submenu, separator) 
{
	if (MenuItem.arguments.length > 5)
		this.target = MenuItem.arguments[5];
	else
		this.target = "_top";
	this.caption = caption;
	this.command = command;
	this.image = image;
	this.submenu = submenu;
	this.separator = (separator) ? true : false;
	this.id = MenuRegister(this);
}

function MenuItemOnClick(obj)
{
	var item = menus[obj.menuid];

	window.event.cancelBubble = true;

	if (item == null)
		return;

	if ((typeof item.command) == 'function')
		item.command();
}

function MenuItemOnMouseOver(obj)
{
	var item = menus[obj.menuid];
	var parent = menus[item.parent];
	var menub1 = document.all['MENU' + item.parent + 'B1'];
	var fromElement = window.event.fromElement;
	var toElement = window.event.toElement;

	window.event.cancelBubble = true;

	if ((fromElement != null) && (toElement != null))
	{
		if (fromElement.menuid == toElement.menuid)
			return;
	}

	obj.style.backgroundColor = SelColB;
	CurColFL = obj.style.color;
	obj.style.color = SelColF;


	// If a submenu is open that is not for this menu item, close it
	if ((parent.submenu != null) && (parent.submenu != item.submenu))
	{
		parent.submenu.hide();
		parent.submenu = null;
	}

	if (!(item.submenu != null || (typeof item.command) == 'function'))
		window.status = item.command;

	// If this item has a submenu, open it
	if ((item.submenu != null) && (parent.submenu != item.submenu))
	{
//		item.submenu.top = obj.offsetTop + MenuBar.offsetHeight+5;
		item.submenu.top = obj.offsetTop + parent.top+5;
		item.submenu.left = menub1.offsetLeft + obj.offsetWidth - BodyLeftMargin - offf;
		item.submenu.show();
		parent.submenu = item.submenu;
		return;
	}
}

function MenuItemOnMouseOut(obj)
{
	var item = menus[obj.menuid];
	var parent = menus[item.parent];
	var toElement = window.event.toElement;

	window.event.cancelBubble = true;

	if ((toElement != null) && (toElement.menuid == parent.id))
	{
		if ((parent.submenu != null) && (parent.submenu != item))
		{
			parent.submenu.hide();
			parent.submenu = null;
		}
	}

	if ((window.event.fromElement != null) && (window.event.toElement != null))
	{
		if (window.event.fromElement.menuid == window.event.toElement.menuid)
			return;
	}

	obj.style.backgroundColor = "transparent";
	obj.style.color = CurColFL;

	if (!(item.submenu != null || (typeof item.command) == 'function'))
		window.status = '';
}

function MenuItemToString()
{
	var str = '';

	if (this.separator)
		str = "<tr style='height:5px'><td colspan=3><hr></td></tr>\n";
	else
	{
		str =   "<tr class=menuRow" +
				" onMouseOver='MenuItemOnMouseOver(this)'" +
				" onMouseOut='MenuItemOnMouseOut(this)'";
		if (this.submenu != null || (typeof this.command) == 'function')
			str += " onClick='MenuItemOnClick(this)'";
		str += " menuid=" + this.id + ">";
		if (!(this.submenu != null || (typeof this.command) == 'function'))
			str += "<a href=" + this.command + " target=" + this.target + ">";
		str += "<td class=menuImageCell noWrap=noWrap menuid=" + this.id + ">" +
				((this.image != null) ? "&nbsp;&nbsp;<img class=menuImage menuid=" + this.id + " src='" + this.image + "'>&nbsp;&nbsp;" : "&nbsp;&nbsp;" ) + "</td>" +
				"<td class=menuCaptionCell noWrap=noWrap menuid=" + this.id + ">" + this.caption + "</td>" +
				"<td class=menuArrowCell noWrap=noWrap menuid=" + this.id + " " +
				((this.submenu != null) ? "style='font-family:Webdings'>4" : "style='font-family:times'>&nbsp;&nbsp;&nbsp;") + "</td>";
		if (!(this.submenu != null || (typeof this.command) == 'function'))
			str += "</a>";
		str += "</tr>\n";
	}
	return str;
}

MenuItem.prototype.toString = MenuItemToString;

function Menu(top, left)
{
	this.items = new Array();
	this.top = top;
	this.left = left;
	this.id = MenuRegister(this);
	this.update = true;

//	document.write (this.borders());
	MENUINSERT.insertAdjacentHTML('BeforeEnd', this.borders());
}

function MenuAddItem(item)
{
	this.items[this.items.length] = item;
	item.parent = this.id;
}

function MenuShow(noDisplay)
{
	var menub1 = document.all['MENU' + this.id + 'B1'];

	if (this.update)
	{
		menub1.innerHTML = this.getTable();
		this.update = false;
	}

	var menub1 = document.all['MENU' + this.id + 'B1'];
	var menu = document.all['MENU' + this.id];

	menub1.style.top = MenuBar.offsetTop + this.top + 90;
	menub1.style.left = this.left + BodyLeftMargin + offf -1;

	menub1.style.width = menu.offsetWidth;
	menub1.style.height = menu.offsetHeight;

	if (menub1.offsetTop < 0)
		menub1.style.top = 0;

	if (menub1.offsetLeft < 0)
		menub1.style.left = 0;

	if (noDisplay)
	{
		menub1.style.top = -1000;
		menub1.style.left = -1000;
	}
	else
	{
//		ElementHide ("SELECT", menub1.style.left, menub1.style.top);
		menub1.style.visibility = '';
	}
}

function MenuHide()
{
	var menub1 = document.all['MENU' + this.id + 'B1'];

	if (this.submenu != null)
		this.submenu.hide();

	menub1.style.visibility = 'hidden';
	menub1.style.top = -1000;
	menub1.style.left = -1000;
}

function MenuBorders()
{
	var str = "";

	str =   "<div id=MENU" + this.id +"B1 style='position: absolute; z-index: 10' class=menuBorder1 menuid=" + this.id + 
			" onClick='window.event.cancelBubble = true'>\n" +
			"</div>\n";

	return (str);
}

function MenuTable()
{
	var str;

	str = "<table id=MENU" + this.id +
		" cellpadding=0 cellspacing=0 border=0 class=menuTable>";

	for (var i=0; i < this.items.length; i++)
		str += this.items[i];

	str += "</table>";

	return str;
}

Menu.prototype.addItem = MenuAddItem;
Menu.prototype.borders = MenuBorders;
Menu.prototype.getTable = MenuTable;
Menu.prototype.show = MenuShow;
Menu.prototype.hide = MenuHide;

function ElementHide (elm, x, y)
{
/*	if (recur)
	{
		recur = false;
		return;
	}*/
	for (i = 0; i < document.all.tags(elm).length; i++)
	{
		objj = document.all.tags(elm)[i];
		if (! objj || ! objj.offsetParent)
			continue;

		// Find the element's offsetTop and offsetLeft relative to the BODY tag.
/*		objLeft   = objj.offsetLeft;
		objTop    = objj.offsetTop;
		objParent = objj.offsetParent;
		while (objParent.tagName.toUpperCase() != "BODY")
		{
			objLeft  += objParent.offsetLeft;
			objTop   += objParent.offsetTop;
			objParent = objParent.offsetParent;
		}*/
		// Adjust the element's offsetTop relative to the dropdown menu
/*		objTop = objTop - y;

		if (x > (objLeft + objj.offsetWidth) || objLeft > (x + MenuBar.offsetWidth))
			;
		else if (objTop > MenuBar.offsetHeight)
			;
		else*/
			objj.style.visibility = "hidden";
	}
}

function ElementShow (elm)
{
	for (i = 0; i < document.all.tags(elm).length; i++)
	{
		objj = document.all.tags(elm)[i];
		if (! objj || ! objj.offsetParent)
			continue;
		objj.style.visibility = "";
	}
}