function preloadImages() {
if (document.images)
	{
	var choose_family_roll = new Image
		choose_family_roll.src = "images/choose_family_over.jpg"
	var finished_packing_roll = new Image
		finished_packing_roll.src = "images/finished_packing_over.jpg"
	var packtriphome_roll = new Image
		packtriphome_roll.src = "images/packtriphome_over.jpg"
	var readthisstory_roll = new Image
		readthisstory_roll.src = "images/readthisstory_over.jpg"
	var show_tell_roll = new Image
		show_tell_roll.src = "images/show_tell_over.jpg"
	var submit_story_roll = new Image
		submit_story_roll.src = "images/submit_story_over.jpg"
	var unpack_yourluggage_roll = new Image
		unpack_yourluggage_roll.src = "images/unpack_yourluggage_over.jpg"
	var visit_family_roll = new Image
		visit_family_roll.src = "images/visit_family_over.jpg"
	}
}

function changeImages(sName,sImage)
	{
	if (document.images)
		{
		document.images[sName].src = sImage
		}
	}
	
function openWindow(theURL,winName,features)
	{
	window.open(theURL,winName,features).focus();
	}
	
function closeWindow()
	{
	window.close();
	}
if (document.layers)
	{
	origWidth = innerWidth;
	origHeight = innerHeight;
	}
function reloadPage()
	{
	if (innerWidth != origWidth || innerHeight != origHeight)
	location.reload();
	}
if (document.layers)
	onresize=reloadPage
	
function goHistory()
	{
	history.back();
	}