bt_homeOver = new Image();
bt_missionsOver = new Image();
bt_faqOver = new Image();
bt_contactOver = new Image();
bt_copyrightOver = new Image();

bt_home = new Image();
bt_missions = new Image();
bt_faq = new Image();
bt_contact = new Image();
bt_copyright = new Image();

bt_homeOver.src = "../graphics/bt_home-over.gif";
bt_missionsOver.src = "../graphics/bt_missions-over.gif";
bt_faqOver.src = "../graphics/bt_faq-over.gif";
bt_contactOver.src = "../graphics/bt_contact-over.gif";
bt_copyrightOver.src = "../graphics/bt_copyright-over.gif";

bt_home.src = "../graphics/bt_home.gif";
bt_missions.src = "../graphics/bt_missions.gif";
bt_faq.src = "../graphics/bt_faq.gif";
bt_contact.src = "../graphics/bt_contact.gif";
bt_copyright.src = "../graphics/bt_copyright.gif";

function mausover(imgName)
{
imgOver = eval(imgName + "Over.src");
document[imgName].src = imgOver;
}

function mausout(imgName)
{
img = eval(imgName + ".src");
document[imgName].src = img;
}