lod1 = new Image(); lod1.src = 'img/buttons/home_o.jpg';
lod2 = new Image(); lod2.src = 'img/buttons/services_o.jpg';
lod3 = new Image(); lod3.src = 'img/buttons/majors_o.jpg';
lod4 = new Image(); lod4.src = 'img/buttons/aboutus_o.jpg';
lod5 = new Image(); lod5.src = 'img/buttons/contactus_o.jpg';