var about = new Image();
about.src = "/images/nav/about.gif"
var aboutOn = new Image();
aboutOn.src = "/images/nav/about_on.gif"
var sol = new Image();
sol.src = "/images/nav/solutions.gif"
var solOn = new Image();
solOn.src = "/images/nav/solutions_on.gif"
var faq = new Image();
faq.src = "/images/nav/faq.gif"
var faqOn = new Image();
faqOn.src = "/images/nav/faq_on.gif"
var tour = new Image();
tour.src = "/images/nav/tour.gif"
var tourOn = new Image();
tourOn.src = "/images/nav/tour_on.gif"