if (document.images)
{
	home = new Image;
	newReleases = new Image;
	photoArt = new Image;
	grantW = new Image;
	bookStore = new Image;
	letters = new Image;
	featured = new Image;
	guestBook = new Image;
	orders = new Image;
	contact = new Image;
	aboutPenfield = new Image;
	home.src = "images/nav_home.gif";
	newReleases.src = "images/nav_newReleases.gif";
	photoArt.src = "images/nav_photoArt.gif";
	grantW.src = "images/nav_grantW.gif";
	bookStore.src = "images/nav_bookStore.gif";
	letters.src = "images/nav_letters.gif";
	featured.src = "images/nav_featured.gif";
	guestBook.src = "images/nav_guestBook.gif";
	orders.src = "images/nav_orders.gif";
	contact.src = "images/nav_contact.gif";
	aboutPenfield.src = "images/nav_aboutPenfield.gif";
	homeOn = new Image;
	newReleasesOn = new Image;
	photoArtOn = new Image;
	grantWOn = new Image;
	bookStoreOn = new Image;
	lettersOn = new Image;
	featuredOn = new Image;
	guestBookOn = new Image;
	ordersOn = new Image;
	contactOn = new Image;
	aboutPenfieldOn = new Image;
	homeOn.src = "images/nav_home_on.gif";
	newReleasesOn.src = "images/nav_newReleases_on.gif";
	photoArtOn.src = "images/nav_photoArt_on.gif";
	grantWOn.src = "images/nav_grantW_on.gif";
	bookStoreOn.src = "images/nav_bookStore_on.gif";
	lettersOn.src = "images/nav_letters_on.gif";
	featuredOn.src = "images/nav_featured_on.gif";
	guestBookOn.src = "images/nav_guestBook_on.gif";
	ordersOn.src = "images/nav_orders_on.gif";
	contactOn.src = "images/nav_contact_on.gif";
	aboutPenfieldOn.src = "images/nav_aboutPenfield_on.gif";
}	

function chgImg(imgName,newImg)
{
	if (document.images)
	{
		document[imgName].src = eval(newImg + ".src")
	}
}

function addbook()
{
	if (parseInt(navigator.appVersion)>=4 && navigator.appName=="Microsoft Internet Explorer")
	{
	    	var bm_url=document.location;
    		var bm_title=document.title;
			window.external.AddFavorite(bm_url,bm_title)
	}
	else
	{
		window.location="contact/bookmark.html";
	}
}