homeon = new Image(); homeon.src = 'buts/but1-2.jpg';
homeoff = new Image(); homeoff.src = 'buts/but1.jpg';

historyon = new Image(); historyon.src = 'buts/but2-2.jpg';
historyoff = new Image(); historyoff.src = 'buts/but2.jpg';

processon = new Image(); processon.src = 'buts/but3-2.jpg';
processoff = new Image(); processoff.src = 'buts/but3.jpg';

productson = new Image(); productson.src = 'buts/but4-2.jpg';
productsoff = new Image(); productsoff.src = 'buts/but4.jpg';

environmenton = new Image(); environmenton.src = 'buts/but5-2.jpg';
environmentoff = new Image(); environmentoff.src = 'buts/but5.jpg';

saleson = new Image(); saleson.src = 'buts/but6-2.jpg';
salesoff = new Image(); salesoff.src = 'buts/but6.jpg';

contacton = new Image(); contacton.src = 'buts/but7-2.jpg';
contactoff = new Image(); contactoff.src = 'buts/but7.jpg';

directionson = new Image(); directionson.src = 'buts/but8-2.jpg';
directionsoff = new Image(); directionsoff.src = 'buts/but8.jpg';

newon = new Image(); newon.src = 'images/picture-new.jpg';
newoff = new Image(); newoff.src = 'images/picture.jpg';