// PRELOADING IMAGES

// CONTACT BUTTON
contactOff = new Image ();
contactOff.src = "images/group-contact-off.jpg";
contactOn = new Image ();
contactOn.src = "images/group-contact-on.jpg";

// BECOME BUTTON
becomeOff = new Image ();
becomeOff.src = "images/group-become-off.jpg";
becomeOn = new Image ();
becomeOn.src = "images/group-become-on.jpg";

// SUMMER BUTTON
summerOff = new Image ();
summerOff.src = "images/group-summer-off.jpg";
summerOn = new Image ();
summerOn.src = "images/group-summer-on.jpg";

// GROUP BUTTON
whynacelOff = new Image ();
whynacelOff.src = "images/group-whynacel-off.jpg";
whynacelOn = new Image ();
whynacelOn.src = "images/group-whynacel-on.jpg";

// ACADEMIC BUTTON
academicOff = new Image ();
academicOff.src = "images/group-academic-off.jpg";
academicOn = new Image ();
academicOn.src = "images/group-academic-on.jpg";

// homestay BUTTON
homestayOff = new Image ();
homestayOff.src = "images/group-homestay-off.jpg";
homestayOn = new Image ();
homestayOn.src = "images/group-homestay-on.jpg";

// ABOUT BUTTON
aboutOff = new Image ();
aboutOff.src = "images/group-about-off.jpg";
aboutOn = new Image ();
aboutOn.src = "images/group-about-on.jpg";

// HOME BUTTON
homeOff = new Image ();
homeOff.src = "images/btn-nacel-off.jpg";
homeOn = new Image ();
homeOn.src = "images/btn-nacel-on.jpg";