function novafinestra(pagina,nomFinestra){
   window.open(pagina,nomFinestra,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=450,height=600');
}
function novafinestra2(pagina2,nomFinestra2){
   window.open(pagina2,nomFinestra2,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=580,height=420');
}
function novafinestra3(pagina3,nomFinestra3){
   window.open(pagina3,nomFinestra3,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=370,height=420');
}