// JScript source code

var prevObjectID = null;
var prevLayer = 0;			

function setLayer(objectID,layerNum) {
	var object = document.getElementById(objectID);
	object.style.zIndex = layerNum;
}

function findLayer(objectID) {
	var object = document.getElementById(objectID);
	if (object.style.zIndex != null)
		return object.style.zIndex;
	return (null);
}

function swapLayer(objectID) {
var obj;
 if (prevObjectID != null) 
 {
	obj = document.getElementById(prevObjectID);
	obj.style.visibility = 'hidden';
 	setLayer(prevObjectID,prevLayer);
 }
 else
 {
	obj = document.getElementById('home');
	obj.style.visibility = 'hidden';
 }
	prevLayer = findLayer(objectID);
	prevObjectID = objectID;
	setLayer(objectID,1000);
	obj=null;
	obj = document.getElementById(objectID);
	obj.style.visibility = 'visible';
 
	var oSubEvents;
	if(objectID.substring(0,1) == "s")
	{
		if(objectID == "s3")
		{
			oSubEvents = document.getElementById("subEvents");
			oSubEvents.style.visibility = 'visible';
		}
		else
		{
			if(objectID == "home" || objectID == "s1" || objectID == "s2" || objectID == "s4")
			{
				oSubEvents = document.getElementById("subEvents")
				oSubEvents.style.visibility = 'hidden';
			}
		}
	}
}



function openWindow(winSrc, which)
{
	var leftPos = 0;
	var topPos = 0;
	if (screen)
	{
		if(which=="0")
		{
			leftPos=screen.width-800;
			topPos=screen.height-500;
		}
		else
		{
			leftPos=screen.width-725;
			topPos=screen.height-725;
		}
	}
	if(which=="0")
	{
		newWindow = window.open(winSrc, 'popupWin', 'menubar=yes, toolbar=no, directories=no, status=no, scrollbars=yes, resizable=no, copyhistory=no, width=400, height=250, left=' + leftPos + ', top= '+ topPos);
	}
	else
	{
		newWindow = window.open(winSrc, 'popupWin', 'menubar=yes, toolbar=no, directories=no, status=no, scrollbars=yes, resizable=no, copyhistory=no, width=400, height=550, left=' + leftPos + ', top= '+ topPos);
	}
}