var imageNames = new Array();

imageNames['about'] = new Array(
	'/images/topmenu/about-off.gif',
	'/images/topmenu/about-over.gif'
	);
imageNames['classes'] = new Array(
	'/images/topmenu/classes-off.gif',
	'/images/topmenu/classes-over.gif'
	);
imageNames['tuition'] = new Array(
	'/images/topmenu/tuition-off.gif',
	'/images/topmenu/tuition-over.gif'
	);
imageNames['events'] = new Array(
	'/images/topmenu/events-off.gif',
	'/images/topmenu/events-over.gif'
	);
imageNames['calendar'] = new Array(
	'/images/topmenu/calendar-off.gif',
	'/images/topmenu/calendar-over.gif'
	);
imageNames['faculty'] = new Array(
	'/images/topmenu/faculty-off.gif',
	'/images/topmenu/faculty-over.gif'
	);
imageNames['gallery'] = new Array(
	'/images/topmenu/gallery-off.gif',
	'/images/topmenu/gallery-over.gif'
	);
imageNames['backstage'] = new Array(
	'/images/topmenu/backstage-off.gif',
	'/images/topmenu/backstage-over.gif'
	);
imageNames['contact'] = new Array(
	'/images/topmenu/contact-off.gif',
	'/images/topmenu/contact-over.gif'
	);

/* Rollover Functionality */
var menuPreloadFlag = false;
var loadedImages = new Array();

function init()
{
	//	Load rollover images.
	for (var nextName in imageNames)
	{
		nextSrcArray = imageNames[nextName];
		loadedImages[nextName] = new Array(new Image(), new Image());
		loadedImages[nextName][0].src = nextSrcArray[0];
		loadedImages[nextName][1].src = nextSrcArray[1];
	}
	menuPreloadFlag = true;
}

function swapImageOn(imageName)
{
	if (document.images && true == menuPreloadFlag)
	{
		document.images[imageName + 'Image'].src = loadedImages[imageName][1].src;
	}
}

function swapImageOff(imageName)
{
	if (document.images && true == menuPreloadFlag)
	{
		document.images[imageName + 'Image'].src = loadedImages[imageName][0].src;
	}
}