function openPiastrella(image,alt) {
newWindow = window.open('',"newWindow","width=573,height=430,left=100,top=100");
newWindow.document.open();
newWindow.document.write('...::: Tralice Costruzioni S.r.l. :::...');
newWindow.document.write('');
newWindow.document.write('');
newWindow.document.write(alt);
newWindow.document.write('
');
newWindow.document.write('');
newWindow.document.close();
newWindow.focus();
}