img = new Array()
               aCaso = Math.floor(Math.random() * 29 );
               img[0] = '../images/provaimg/Poz1.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Panorama Pozzuoli"'; 
               img[1] = '../images/provaimg/Poz2.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Porto di Pozzuoli"';  
               img[2] = '../images/provaimg/Poz3.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Tempio di serapide"'; 
               img[3] = '../images/provaimg/Poz4.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Tempio di serapide"';  
               img[4] = '../images/provaimg/Poz5.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Anfiteatro Flavio"';  
               img[5] = '../images/provaimg/Poz6.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Porto di Pozzuoli"';                
               img[6] = '../images/provaimg/Poz7.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Porto di Pozzuoli"';
			   img[7] = '../images/provaimg/Poz8.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Rione Terra"'; 
               img[8] = '../images/provaimg/Poz9.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Citta sommersa di Baia"';  
               img[9] = '../images/provaimg/Poz10.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Citta sommersa di Baia"';  
               img[10] = '../images/provaimg/Poz11.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Villa Avellino"';  
			   img[11] = '../images/provaimg/Poz12.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Solfatara"'; 
               img[12] = '../images/provaimg/Poz13.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Santuario S. Gennaro"';  
               img[13] = '../images/provaimg/Poz14.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Via Napoli"'; 
               img[14] = '../images/provaimg/Poz15.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Accademia Aereonautica"';  
               img[15] = '../images/provaimg/Poz16.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Madonna Assunta"';  
               img[16] = '../images/provaimg/Poz17.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Arco Felice"';  
               img[17] = '../images/provaimg/Poz18.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Anfiteatro Cumano"'; 
               img[18] = '../images/provaimg/Poz19.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Lucrino"';  
               img[19] = '../images/provaimg/Poz20.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Monte Nuovo"'; 
               img[20] = '../images/provaimg/Poz21.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Solfatara e Vesuvio"';  
               img[21] = '../images/provaimg/Poz22.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Lago D Averno"';  
               img[22] = '../images/provaimg/Poz23.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Panorama da S. Gennaro"';
			   img[23] = '../images/provaimg/Poz24.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Rione Terra"';  
               img[24] = '../images/provaimg/Poz25.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Panorama aereo"';  
               img[25] = '../images/provaimg/Poz26.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Panorama aereo"'; 
               img[26] = '../images/provaimg/Poz27.jpg" width="250" height="200" hspace="1" border= "0" align="right"  alt="Rione Terra"';  
               img[27] = '../images/provaimg/Poz28.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Panorama aereo"'; 
               img[28] = '../images/provaimg/Poz29.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Rione Terra"';  
               img[29] = '../images/provaimg/Poz30.jpg" width="250" height="200" hspace="1" border= "0" align="right" alt="Rione Terra"';                
			   document.write("<img src=\""+img[aCaso]+"\">");