function NxUtils_GetParentClientID(clientID, recursions)
{
	var rExp = /__/gi;
	var returnValue = clientID.replace(rExp,"_#");
	if (recursions == null) recursions = 1;
	for (var i=0; i<recursions; i++)
	{
		returnValue = returnValue.substring(0, returnValue.lastIndexOf("_"))
		//alert("input:" + clientID + "\nrecursion:" + i + "\nvalue;" + returnValue)
	}
	var rExp2 = /_#/gi;
	returnValue = returnValue.replace(rExp2,"__")
	return returnValue;
}

function NxUtils_FindEventController()
{
	var objWindow = window;
	do
	{
		if (objWindow.NxEventController) break;
		if (objWindow != top)
		{
			objWindow = objWindow.parent;
		}
		else
		{
			objWindow = objWindow.opener;
		}
	}
	while (true);
	return objWindow;
}


///TODO: make this an array to allow for several event targets
var NxUtils_EventTarget;

function NxUtils_FindEventTarget(objWindow, strLocation)
{
	if (objWindow == null) objWindow = NxUtils_FindEventController();
	if (strLocation == null) strLocation = document.location;
	var thisLoc = NxUtils_RemoveQueryString(strLocation);
	var compareLoc = NxUtils_RemoveQueryString(objWindow.document.location);
	if (thisLoc == compareLoc) NxUtils_EventTarget = objWindow;
	for (var i=0; i<objWindow.frames.length; i++)
	{
		try
		{
			if (objWindow.frames[i].name != "HiddenFrame")
				NxUtils_FindEventTarget(objWindow.frames[i], strLocation);
		}
		catch(e){}
	}
}

function NxUtils_PopulateEventArgDefinitions(eventArgs)
{
	var strItem = "NxEventArgDefinitions=";
	if (eventArgs[1].indexOf(strItem) == 0) var strDefinitions = eventArgs[1].substring(strItem.length, eventArgs[1].length);
	var arrItems = strDefinitions.split(",");
	for (var i=0; i<arrItems.length; i++)
	{
		var eventArgsIndex = i + 2;
		eval(arrItems[i] + " = eventArgs[" + eventArgsIndex + "]");
	}
}

function NxUtils_RemoveQueryString(url)
{
	url = url.toString();
	var i = url.indexOf("?");
	if (i >=0)
	{
		url = url.substring(0, i);
	}
	return url;
}

function NxUtils_CheckWindow(objWindow, strLocation)
{
	return (objWindow.document.location != strLocation);
}


function FireNxEvent(sender, eventArgs)
{
	var strDelimiter = "<,%>";
	var argsOut = "";
	switch (typeof(eventArgs))
	{
		case "object":
			for (var i=0; i<eventArgs.length; i++)
			{
				argsOut += escape(eventArgs[i]) + strDelimiter;
			}
			if (argsOut.length > 0) argsOut = argsOut.substring(0, (argsOut.length - strDelimiter.length));
			break;
		case "string":
		default:
			argsOut = escape(eventArgs.toString());
	}
	var qryOut = "&NxEventArgs=" + argsOut
		+ "&NxEventSender=" + sender;
	var objController = NxUtils_FindEventController();
	objController.NxPostAway(null, qryOut);
}

function FireNxClientEvent(sender, eventArgs)
{
	NxUtils_FindEventController().NxEvent_FireClientEvent(sender, eventArgs);
}

function NxEvent_Refresh(location)
{
	var objController = NxUtils_FindEventController();
	if (location == null)
	{
		var strLocation = document.location;
	}
	NxUtils_EventTarget = null;
	NxUtils_FindEventTarget(objController, strLocation);
	if (NxUtils_EventTarget == null)
	{
		NxUtils_EventTarget = objController.NxUtils_FindEventTargetWindow(strLocation);
	}
	if (NxUtils_EventTarget != null)
	{
		NxUtils_EventTarget.document.location = NxUtils_EventTarget.document.location;
	}
}

function NxEvent_DoPostBack(location)
{
	var objController = NxUtils_FindEventController();
	if (location == null)
	{
		var strLocation = document.location;
	}
	NxUtils_EventTarget = null;
	NxUtils_FindEventTarget(objController, strLocation);
	if (NxUtils_EventTarget == null)
	{
		NxUtils_EventTarget = objController.NxUtils_FindEventTargetWindow(strLocation);
	}
	if (NxUtils_EventTarget != null)
	{
		NxUtils_EventTarget.document.forms[0].submit();
	}
}

function NxEvent_PostAway(qry)
{
	var objController = NxUtils_FindEventController();
	var objForm = document.forms[0];
	var qryOut = "&NxEventArgs=FulFill.PostAway"
		+ "&NxEventSender=null"
		+ "&" + qry;
	objController.NxPostAway(objForm, qryOut);
}

function NxUtils_FindParentContainer(obj)
{
	if (obj == null)
	{
		obj = NxUtils_FindParentIFrame();
	}
	do
	{
		if (obj.tagName == "BODY") return;
		obj = obj.parentElement;
	}
	while (obj.NxContentContainer != "1")
	return obj;
}

function NxUtils_FindParentIFrame()
{
	var strLocation = NxUtils_RemoveQueryString(document.location);
	for (var i=0; i<parent.document.body.getElementsByTagName("IFRAME").length; i++)
	{
		var objFrame = parent.document.body.getElementsByTagName("IFRAME")[i];
		var compareTo = NxUtils_RemoveQueryString(objFrame.src);
		if (strLocation == compareTo) return objFrame;
	}
}

function NxUtils_FindIFrame(url)
{
	var baseUrl = NxUtils_RemoveQueryString(url);
	var objIFrames = document.getElementsByTagName("IFRAME");
	for (var i=0; i<objIFrames.length; i++)
	{
		if (NxUtils_RemoveQueryString(objIFrames[i].src.toString()).indexOf("/" + baseUrl) > 0)
			return objIFrames[i];
	}
}

function NxUtils_IsHidden(obj)
{
	var isHidden = false;
	do
	{
		if (obj.style.display == "none") isHidden = true;
		obj = obj.parentElement;
	}
	while (obj.tagName != "BODY")
	return isHidden;
}

function NxUtils_GetPageOffsetLeft(obj)
{
	var rtnValue = 0;
	do
	{
		if (obj.offsetParent == obj.document.body) break;
		rtnValue += obj.offsetLeft;
		obj = obj.offsetParent;
		
	}
	while (true)
	return rtnValue;
}

function NxUtils_GetPageOffsetTop(obj)
{
	var rtnValue = 0;
	do
	{
		if (obj.offsetParent == obj.document.body) break;
		rtnValue += obj.offsetTop;
		obj = obj.offsetParent;
		
	}
	while (true)
	return rtnValue;
}

//TODO: ========== Resizing functions - need to be broken off into separate .js file ===========
var NxUtils_LastResize;
var NxUtils_ResizeEventFired = false;
var NxUtils_ResizeFunctionsToExecute = new Array(0);
var NxUtils_ResizeDelay = 300;

function NxUtils_DoResize(resizeFunctionToExecute)
{
	if (resizeFunctionToExecute != null)
	{
		var exists = false;
		for (var i=0; i<NxUtils_ResizeFunctionsToExecute.length; i++)
		{
			if (NxUtils_ResizeFunctionsToExecute[i] == resizeFunctionToExecute) exists = true;
		}
		if (!exists)
			NxUtils_ResizeFunctionsToExecute[NxUtils_ResizeFunctionsToExecute.length] = resizeFunctionToExecute;
	}
	NxUtils_LastResize = (new Date()).valueOf();
	self.setTimeout(NxUtils_ResizeCheckin,NxUtils_ResizeDelay);
}

function NxUtils_ResizeCheckin()
{
	var newDate = ((new Date()).valueOf() - (NxUtils_ResizeDelay + 10));
	if (NxUtils_LastResize > newDate)
	{
		for (var i=0; i<NxUtils_ResizeFunctionsToExecute.length; i++)
		{
			eval(NxUtils_ResizeFunctionsToExecute[i]);
		}
		//self.setTimeout("NxUtils_ResizeEventFired = false;",500);
	}
	else
	{
	}
}
// ========== End Resizing functions ===========