var sClassHorz			= "MenuItem";
var sClassVert			= "MenuItemDropdown";
var sClassHorzSelected	= "MenuItemSelected";
var sClassVertSelected	= "MenuItemDropdownSelected";
var sClassHide			= "MenuItemHide";
var sClassShow			= "MenuItemShow";
var sMenuHorz			= "Menus";
var sMenuVert			= "Dropdown";
var bDOM 				= (document.getElementById) ? true : false;
var bNS4				= (document.layers) ? true : false;
var bIE 				= (document.all) ? true : false;
var bIE4 				= bIE && !bDOM;
var bMac 				= (navigator.appVersion.indexOf("Mac") != -1);
var bIE4M	 			= bIE4 && bMac;
var bIE5M				= bIE && bMac;
var bIE5W				= bIE && !bMac;
var bNS6				= (navigator.vendor == ("Netscape6") || navigator.product == ("Gecko"));

function mouseOverItem(obj)
{
	var strAttr = "";
	if (bIE)
		strAttr = "className";
	else
		strAttr = "class";

	var strClass = obj.getAttribute(strAttr);
	if (strClass == sClassHorz)
	{
		obj.setAttribute(strAttr, sClassHorzSelected, true);
		if (isArray(sMenuHorz))
		{
			var arrDivs = eval(sMenuHorz);
			var sID = obj.id;
			var arrName = sID.split("_");
			if (arrName.length >= 2 && !isNaN(arrName[1]))
			{
				var index = parseInt(arrName[1]);
				if (arrDivs.length > index)
				{
					var div = document.getElementById(arrDivs[index][0]);
					if (div != null)
					{
						arrDivs[index][1] = true;
						div.setAttribute(strAttr, sClassShow, true);
						var iTop = getAbsPos(obj,"Top") + obj.offsetHeight;
						var iLeft = getAbsPos(obj,"Left");
						setMenuStyle(div, iLeft, iTop);
					}
				}	
			}
		}
	}
	else if(strClass == sClassVert)
	{
		obj.setAttribute(strAttr, sClassVertSelected, true);
		var sID = obj.id;
		var arrName = sID.split("_");
		if (arrName.length >= 2)
		{
			var arrDivs = eval(sMenuHorz)
			var index = parseInt(arrName[1]);
			if (arrDivs.length > index)
			{
				arrDivs[index][2] = true;
			}
			strName = sMenuVert; 
			for( i = 1; i < arrName.length - 1; ++i) 
			{
				strName += "_" + arrName[i];
			}
			if (isArray(strName))
			{
				arrDivs = eval(strName);
				index = parseInt(arrName[arrName.length - 1]);
				if (arrDivs.length > index)
				{
					var div = document.getElementById(arrDivs[index][0]);
					if (div != null)
					{
						arrDivs[index][1] = true;
						div.setAttribute(strAttr, sClassShow, true);
						var iTop = getAbsPos(obj,"Top"); obj.offsetHeight;
						var iLeft = getAbsPos(obj,"Left") + obj.offsetWidth;
						setMenuStyle(div, iLeft, iTop);
					}
				}	
			}
		}
	}
	/*
	alert(obj.id);
	alert(obj.offsetWidth);
	alert(obj.offsetHeight);
	*/
}

function mouseOutItem(obj) 
{
	if (bIE)
		strAttr = "className";
	else
		strAttr = "class";
	var strClass = obj.getAttribute(strAttr);
	if (strClass == sClassHorzSelected)
	{
		obj.setAttribute(strAttr, sClassHorz, true);
		if (isArray(sMenuHorz))
		{
			var arrDivs = eval(sMenuHorz);
			var sID = obj.id
			var arrName = sID.split("_");
			if (arrName.length >= 2 && !isNaN(arrName[1]))
			{
				var index = parseInt(arrName[1]);
				if (arrDivs.length > index)
				{
					if (arrDivs[index][2] == false)
					{
						var div = document.getElementById(arrDivs[index][0]);
						if (div != null)
						{
							arrDivs[index][1] = false;
							setTimeout("hideMenus()",10)
						}
					}
				}	
			}
		}
	}
	else if(strClass == sClassVertSelected)
	{
		obj.setAttribute(strAttr, sClassVert, true);
		var sID = obj.id;
		var arrName = sID.split("_");
		var bHide = false;
		if (arrName.length >= 2 && !isNaN(arrName[1]))
		{
			var arrDivs = eval(sMenuHorz)
			var index = parseInt(arrName[1]);
			if (arrDivs.length > index)
			{
				arrDivs[index][2] = false;
				bHide = true;
			}
			strName = sMenuVert; 
			for( i = 1; i < arrName.length - 1; ++i) 
			{
				strName += "_" + arrName[i];
			}
			if (isArray(strName))
			{
				arrDivs = eval(strName);
				index = parseInt(arrName[arrName.length - 1]);
				if (arrDivs.length > index)
				{
					var div = document.getElementById(arrDivs[index][0]);
					if (div != null)
					{
						arrDivs[index][2] = false;
						bHide = true;
					}
				}	
			}			
		}
		if (bHide == true)
			setTimeout("hideMenus()",10)
	}
}

function resetMenus()
{
	var arrDivs = eval(sMenuHorz);
	for (i = 0; i < arrDivs.length; ++i)
	{
		arrDivs[i][1] = false;
		arrDivs[i][2] = false;
	}
	hideMenus();

}

function openUrl(sURL)
{
	resetMenus();
	window.location = sURL;
}

function hideMenus()
{
	var arrDivs = eval(sMenuHorz);
	for (i = 0; i < arrDivs.length; ++i)
	{
		if (arrDivs[i][1] == false)
		{
			if (arrDivs[i][2] == false)
			{
				var div = document.getElementById(arrDivs[i][0]);
				if (div != null)
				{
					div.setAttribute(strAttr, sClassHide, true);
					setMenuStyle(div, -100, -100);
				}
			}
		}
	}

}

function setMenuStyle(obj, ileft, itop)
{
	if (bIE)
	{
		obj.style.top = (itop + 0);
		obj.style.left = (ileft - 1);
	}
	else
	{
		obj.setAttribute("style", "left:" + (ileft - 1) + "px; top: " + itop + "px; position:absolute;",true);
	}

}
function getAbsPos(elt,which) 
{
	iPos = 0;
	while (elt != null) 
	{
		iPos += elt["offset" + which];
		elt = elt.offsetParent;
	}
	return iPos;
} 
function isArray(arrayname)
{
	return ((typeof eval("window." + arrayname) == "object") && (eval(arrayname).length >= 1))
}