nav_shop = new Image();
nav_shop.src = "images/nav_shop_on.gif";

nav_ideas = new Image();
nav_ideas.src = "images/nav_ideas_on.gif";

nav_wholesale = new Image();
nav_wholesale.src = "images/nav_wholesale_on.gif";

nav_about = new Image();
nav_about.src = "images/nav_about_on.gif";

sub_home = new Image();
sub_home.src = "images/sub_home_on.gif";

sub_map = new Image();
sub_map.src = "images/sub_map_on.gif";

sub_contact = new Image();
sub_contact.src = "images/sub_contact_on.gif";