images = new Array(5);
images[0] = "<a href = 'http://www.rabobank.nl/' target='_blank'><img src='/system/galleries/pics/sponsors/sponsor_rabobank.jpg' alt='Rabobank: sponsor jeugd Voorschoten97'></a>";
images[1] = "<a href = 'http://www.valksystemen.nl/' target='_blank'><img src='/system/galleries/pics/sponsors/sponsor_van_der_valk_systemen.jpg' alt='Van der Valk Systemen: sponsor van Voorschoten97'></a>";
images[2] = "<a href = 'http://www.taxi-avance.nl/' target='_blank'><img src='/system/galleries/pics/sponsors/sponsor_taxi.jpg' alt='Taxi-Avance: sponsor van Voorschoten97'></a>";
images[3] = "<a href = 'http://www.rabobank.nl/' target='_blank'><img src='/system/galleries/pics/sponsors/sponsor_rabobank.jpg' alt='Rabobank: sponsor jeugd Voorschoten97'></a>";
images[4] = "<a href = 'http://www.valksystemen.nl/' target='_blank'><img src='/system/galleries/pics/sponsors/sponsor_van_der_valk_systemen.jpg' alt='Van der Valk Systemen: sponsor van Voorschoten97'></a>";

index = Math.floor(Math.random() * images.length);
document.write(images[index]);
//done