menuVITAup = new Image(); menuVITAup.src = "img/karMenuVita.jpg";
menuVITAdn = new Image(); menuVITAdn.src = "img/karMenuVita_hover.jpg";
menuRSRCup = new Image(); menuRSRCup.src = "img/karMenuResearch.jpg"; 
menuRSRCdn = new Image(); menuRSRCdn.src = "img/karMenuResearch_hover.jpg"; 
menuFOTOup = new Image(); menuFOTOup.src = "img/karMenuPhotos.jpg";
menuFOTOdn = new Image(); menuFOTOdn.src = "img/karMenuPhotos_hover.jpg";
function RollOn(sImg)  { document.getElementById(sImg).src = eval(sImg+"dn.src"); }
function RollOff(sImg) { document.getElementById(sImg).src = eval(sImg+"up.src"); }