//Function to preload and swap rollover buttons in main navigationif (document.images) {	backOff = new Image	backOver = new Image	nextOff = new Image	nextOver = new Image	listOff = new Image	listOver = new Image	moreOff = new Image	moreOver = new Image	backOff.src = "../siteimages/controller_back.gif"	backOver.src = "../siteimages/controller_back_over.gif"	nextOff.src = "../siteimages/controller_next.gif"	nextOver.src = "../siteimages/controller_next_over.gif"	listOff.src = "../siteimages/controller_list.gif"	listOver.src = "../siteimages/controller_list_over.gif"	moreOff.src = "../siteimages/controller_more.gif"	moreOver.src = "../siteimages/controller_more_over.gif"}else {	backOff = ""	backOver = ""	document.backRO = ""	nextOff = ""	nextOver = ""	document.nextRO = ""	listOff = ""	listOver = ""	document.listRO = ""	moreOff = ""	moreOver = ""	document.moreRO = ""}//Function to open popup windowfunction custWindow(doc,w,h,align,valign,scroll) {if (custWindow.arguments.length < 6) {	var scroll = 'no'	}if (custWindow.arguments.length < 4) {	var align = 'c'	var valign = 'm'	}topPos=0leftPos=0if (screen) {	if (align == 'c') {		leftPos = screen.width/2 - w/2		} else {		if (align == 'r') {			leftPos = screen.width - w - 12			}		}	if (valign == 'm') {		topPos = screen.height/2 - h/2		} else {		if (valign == 'b') {			topPos = screen.height - h - 5				}			}		}	custWin = window.open (doc,'custWin','toolbar=no,location=no,status=no,scrollbars='+scroll+',resizable=yes,width='+w+',height='+h+',left='+leftPos+',top='+topPos+'')	custWin.document.close()	custWin.focus()}