var imageDir = "./library/images/";
var loadList;
var allLoaded=false;
var timerID = null;
var prevImageName="none";
var prevFileName="none";
var prevFileType="none";


function stopError()
{
return true;
};

//window.onerror = stopError;


function turnImageOn(imageName,fileName,fileType)
{
if (allLoaded)
	{
	if (timerID){clearTimeout(timerID)};
	if ((prevImageName != "none") && (prevImageName !=imageName)){document.images[prevImageName].src = imageDir + prevFileName + "-off." + prevFileType};
	document.images[imageName].src = imageDir + fileName + "-on." + fileType;
	prevImageName=imageName;
	prevFileName=fileName;
	prevFileType=fileType
	}
};


function turnImageOff(imageName,fileName,fileType)
{
if (allLoaded)
	{
	document.images[imageName].src = imageDir + fileName + "-off." + fileType;
	prevImageName="none";
	prevFileName="none";
	prevFileType="none"
	}
};


function preLoad()
{
if (document.images)
	{
	loadList = new Array("whatson_01-on.gif","foryou_01-on.gif","inspir_01-on.gi","pastor_01-on.gif","global_01-on.gif","new_01-on.gif","aboutus_01-on","dec-on.jpg","kids-on.jpg","youth-on.gif","esl-on.jpg","events-on.jpg");
	onImages = new Array();
	for (field in loadList)
		{
		onImages[field] = new Image();
		onImages[field].src = imageDir + loadList[field];
		};
	allLoaded=true
	}
};