function preload(imgObj,imgSrc) {
	if (document.images) {
	eval(imgObj+' = new Image()')
	eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function changeImage(imgName,imgObj) {
	if (document.images) {
	document[imgName].src = eval(imgObj+'.src')
	}
}

preload('nav1','http://www.nanettenorwood.com/images/nav1.gif')
preload('nav2','http://www.nanettenorwood.com/images/nav2.gif')
preload('nav3','http://www.nanettenorwood.com/images/nav3.gif')
preload('nav4','http://www.nanettenorwood.com/images/nav4.gif')
preload('nav5','http://www.nanettenorwood.com/images/nav5.gif')
preload('nav6','http://www.nanettenorwood.com/images/nav6.gif')
preload('nav7','http://www.nanettenorwood.com/images/nav7.gif')

preload('nav1on','http://www.nanettenorwood.com/images/nav1on.gif')
preload('nav2on','http://www.nanettenorwood.com/images/nav2on.gif')
preload('nav3on','http://www.nanettenorwood.com/images/nav3on.gif')
preload('nav4on','http://www.nanettenorwood.com/images/nav4on.gif')
preload('nav5on','http://www.nanettenorwood.com/images/nav5on.gif')
preload('nav6on','http://www.nanettenorwood.com/images/nav6on.gif')
preload('nav7on','http://www.nanettenorwood.com/images/nav7on.gif')


preload('photo','http://www.nanettenorwood.com/images/photo_main.jpg')
preload('photo1','http://www.nanettenorwood.com/images/photo_bio.jpg')
preload('photo2','http://www.nanettenorwood.com/images/photo_perform.jpg')
preload('photo3','http://www.nanettenorwood.com/images/photo_record.jpg')
preload('photo4','http://www.nanettenorwood.com/images/photo_photo.jpg')
preload('photo5','http://www.nanettenorwood.com/images/photo_music.jpg')
preload('photo6','http://www.nanettenorwood.com/images/photo_guest.jpg')
preload('photo7','http://www.nanettenorwood.com/images/photo_contact.jpg')


function openWindow(url,w,h) {
	var popupWindow = window.open(url,'popup','scrollbars=1,resizable=1,width='+w+',height='+h+',top=10,left=10');
	popupWindow.focus();
}