var n1a = new Image(); n1a.src = '/images/nav_home.png';
var n1b = new Image(); n1b.src = '/images/nav_home_on.png';
var n2a = new Image(); n2a.src = '/images/nav_corporate.jpg';
var n2b = new Image(); n2b.src = '/images/nav_corporate_on.jpg';
var n3a = new Image(); n3a.src = '/images/nav_services.png';
var n3b = new Image(); n3b.src = '/images/nav_services_on.png';
var n4a = new Image(); n4a.src = '/images/nav_news.png';
var n4b = new Image(); n4b.src = '/images/nav_news_on.png';
var n5a = new Image(); n5a.src = '/images/nav_case.png';
var n5b = new Image(); n5b.src = '/images/nav_case_on.png';
var n6a = new Image(); n6a.src = '/images/nav_testimonials.png';
var n6b = new Image(); n6b.src = '/images/nav_testimonials_on.png';
var n7a = new Image(); n7a.src = '/images/nav_blog.png';
var n7b = new Image(); n7b.src = '/images/nav_blog_on.png';
var n8a = new Image(); n8a.src = '/images/nav_feedback.jpg';
var n8b = new Image(); n8b.src = '/images/nav_feedback_on.jpg';