//lightweight browser identification
	var agt = navigator.userAgent.toLowerCase();
	var is_ie5 = ( (agt.indexOf('msie 5.0')!=-1) && (agt.indexOf('powerpc')==-1) ) ? true : false;
	
//import stylesheet intended for IE5.0x for Windows
	if (is_ie5)
	{
		document.write('<style type="text/css" media="screen">@import "/styles/markup-IE5.css";</style>');
	}

//image arrays
var offImages = new Array();

	offImages["home"] 			= "/images/off/home.gif";
	offImages["local"] 			= "/images/off/local.gif";
	offImages["research"] 		= "/images/off/research.gif";
	offImages["books"] 			= "/images/off/books.gif";
	offImages["digital"] 		= "/images/off/digital.gif";
	offImages["events"] 		= "/images/off/events.gif";
	offImages["support"] 		= "/images/off/support.gif";
	offImages["classes"] 		= "/images/off/classes.gif";
	
	offImages["about"] 			= "/images/off/about.gif";
	offImages["ask"] 			= "/images/off/ask.gif";
	offImages["espanol"] 		= "/images/off/espanol.gif";
	offImages["express"] 		= "/images/off/express.gif";
	offImages["hours"] 			= "/images/off/hours.gif";
	offImages["library"] 		= "/images/off/library.gif";
	offImages["news"] 			= "/images/off/news.gif";
	offImages["search"] 		= "/images/off/search.gif";
	offImages["myaccount"] 		= "/images/off/myaccount.gif";
	
	offImages["indice"]			= "/images/off/indice.gif";
	offImages["locales"] 		= "/images/off/locales.gif";
	offImages["consulta"] 		= "/images/off/consulta.gif";
	offImages["catalogos"]		= "/images/off/catalogos.gif";
	offImages["digitales"] 		= "/images/off/digitales.gif";
	offImages["eventos"] 		= "/images/off/eventos.gif";
	offImages["apoye"] 			= "/images/off/apoye.gif";
	offImages["clases"] 		= "/images/off/clases.gif";
	
	offImages["acerca"]			= "/images/off/acerca.gif";
	offImages["preguntenos"] 	= "/images/off/preguntenos.gif";
	offImages["english"] 		= "/images/off/english.gif";
	offImages["express"] 		= "/images/off/express.gif";
	offImages["horarios"] 		= "/images/off/horarios.gif";
	offImages["tiendas"] 		= "/images/off/tiendas.gif";
	offImages["noticias"]		= "/images/off/noticias.gif";
	offImages["buscar"] 		= "/images/off/buscar.gif";
	
	offImages["bronx"] 			= "/images/libmap-off.gif";
	offImages["manhattan"] 		= "/images/libmap-off.gif";
	offImages["staten"] 		= "/images/libmap-off.gif";

	offImages["spbronx"] 			= "/images/sp_libmap-off.gif";
	offImages["spmanhattan"] 		= "/images/sp_libmap-off.gif";
	offImages["spstaten"] 		= "/images/sp_libmap-off.gif";

var onImages = new Array();

	onImages["home"] 			= "/images/on/home.gif";
	onImages["local"] 			= "/images/on/local.gif";
	onImages["research"] 		= "/images/on/research.gif";
	onImages["books"] 			= "/images/on/books.gif";
	onImages["digital"] 		= "/images/on/digital.gif";
	onImages["events"] 			= "/images/on/events.gif";
	onImages["support"] 		= "/images/on/support.gif";
	onImages["classes"] 		= "/images/on/classes.gif";
	
	onImages["about"] 			= "/images/on/about.gif";
	onImages["ask"] 			= "/images/on/ask.gif";
	onImages["espanol"] 		= "/images/on/espanol.gif";
	onImages["express"] 		= "/images/on/express.gif";
	onImages["hours"] 			= "/images/on/hours.gif";
	onImages["library"] 		= "/images/on/library.gif";
	onImages["news"] 			= "/images/on/news.gif";
	onImages["search"] 			= "/images/on/search.gif";
	onImages["myaccount"] 		= "/images/on/myaccount.gif";
	
	onImages["indice"]			= "/images/on/indice.gif";
	onImages["locales"] 		= "/images/on/locales.gif";
	onImages["consulta"] 		= "/images/on/consulta.gif";
	onImages["catalogos"]		= "/images/on/catalogos.gif";
	onImages["digitales"] 		= "/images/on/digitales.gif";
	onImages["eventos"] 		= "/images/on/eventos.gif";
	onImages["apoye"] 			= "/images/on/apoye.gif";
	onImages["clases"] 			= "/images/on/clases.gif";
	
	onImages["acerca"]			= "/images/on/acerca.gif";
	onImages["preguntenos"] 	= "/images/on/preguntenos.gif";
	onImages["english"] 		= "/images/on/english.gif";
	onImages["express"] 		= "/images/on/express.gif";
	onImages["horarios"] 		= "/images/on/horarios.gif";
	onImages["tiendas"] 		= "/images/on/tiendas.gif";
	onImages["noticias"]		= "/images/on/noticias.gif";
	onImages["buscar"] 			= "/images/on/buscar.gif";
	
	onImages["bronx"] 			= "/images/libmap-bronx.gif";
	onImages["manhattan"] 		= "/images/libmap-manhattan.gif";
	onImages["staten"] 		= "/images/libmap-staten.gif";

	onImages["spbronx"] 			= "/images/sp_libmap-bronx.gif";
	onImages["spmanhattan"] 		= "/images/sp_libmap-manhattan.gif";
	onImages["spstaten"] 		= "/images/sp_libmap-staten.gif";

function preloadImages()
{
	//load off images
	for (offImageName in offImages)
	{
		var eachImage = new Image();
		eachImage.src = offImages[offImageName];
	}
	
	//load on images
	for (onImageName in onImages)
	{
		var eachImage = new Image();
		eachImage.src = onImages[onImageName];
	}
	var docImage = 0;
	if (stayOn != -1) {
	docImage = eval("document." + stayOn);
	docImage.src = onImages[stayOn];
	}
}

function swap(image)
{
	if (stayOn != -1 && image == stayOn)
	{
		return;
	}
	
	docImage = eval("document." + image);
	imageSrc = docImage.src;
	
	if (imageSrc.indexOf("/off/") != -1)
	{
		docImage.src = onImages[image];
	}
	else if (imageSrc.indexOf("/on/") != -1)
	{
		docImage.src = offImages[image];
	}
	else
	{
		docImage.src = offImages[image];
	}
}

function swapMap(image)
{
	mapImage = document.libmap.src;
	//alert(mapImage);

	if (mapImage.indexOf("off") != -1)
	{
		document.libmap.src = onImages[image];
	}
	else
	{
		document.libmap.src = offImages[image];
	}
}

function sp_swapMap(image)
{
	sp_mapImage = document.sp_libmap.src;
	//alert(mapImage);

	if (sp_mapImage.indexOf("off") != -1)
	{
		document.sp_libmap.src = onImages[image];
	}
	else
	{
		document.sp_libmap.src = offImages[image];
	}
}

function ltrim ( s )
{
	return s.replace( /^\s*/, "" );
}

function rtrim ( s )
{
	return s.replace( /\s*$/, "" );
}

function trim ( s )
{
	return rtrim(ltrim(s));
}

// popup window for branch events calendar
function DetailWindow(URLstring)
 {
   var x = window.open(URLstring, "detail_window_123", "width=800,height=320,left=10,top=10,screenx=10,screeny=10,scrollbars=yes,resizable=yes", "");
   if (window.focus) {
   x.focus();
   }
 }