/**
 * Gazzotti JavaScript 
 * Bartoli Marco 
 */

 function swapImage (idTo,idFrom, subtitle) {    
    elemTo = document.getElementById(idTo);
    elemFrom = document.getElementById(idFrom);
    elemLabel = document.getElementById(idTo+"-label");
    elemTo.src = elemFrom.src;
    elemTo.alt = elemFrom.alt;
    elemLabel.value = subtitle;
 }