function InfoShow(elID) {
   var obj = document.getElementById(elID)
   var cs = obj.style.display
   if (cs!='none') obj.style.display="none";
     else obj.style.display="";
}
function InfoProd(cat,prod,name,desc) {
   var objImg = document.getElementById('FotoProd');
   var objArt = document.getElementById('ArtProd');
   var objDesc = document.getElementById('DescProd');

   objImg.src='images/catalogo/' + cat + '_'+ prod + '.jpg';
   objArt.innerHTML = name;
   objDesc.innerHTML = desc;
}