vertimages = new Array(4);


vertimages[0] = "<img src='../img/1.jpg' alt='STOCK'></a>";
vertimages[1] = "<img src='../img/2.jpg' alt='STOCK'></a>";
vertimages[2] = "<img src='../img/3.jpg' alt='STOCK'></a>";
vertimages[3] = "<img src='../img/4.jpg' alt='STOCK'></a>";

horzimages = new Array(6);
horzimages[0] = "<img src='../img/5.jpg' alt='STOCK'></a>";
horzimages[1] = "<img src='../img/6.jpg' alt='STOCK'></a>";
horzimages[2] = "<img src='../img/7.jpg' alt='STOCK'></a>";
horzimages[3] = "<img src='../img/8.jpg' alt='STOCK'></a>";
horzimages[4] = "<img src='../img/9.jpg' alt='STOCK'></a>";
horzimages[5] = "<img src='../img/10.jpg' alt='STOCK'></a>";
horzimages2 = new Array(6);
horzimages2[0] = "<img src='../img/11.jpg' alt='STOCK'></a>";
horzimages2[1] = "<img src='../img/12.jpg' alt='STOCK'></a>";
horzimages2[2] = "<img src='../img/13.jpg' alt='STOCK'></a>";
horzimages2[3] = "<img src='../img/14.jpg' alt='STOCK'></a>";
horzimages2[4] = "<img src='../img/15.jpg' alt='STOCK'></a>";
horzimages2[5] = "<img src='../img/16.jpg' alt='STOCK'></a>";

index = Math.floor(Math.random() * vertimages.length);

document.write(vertimages[index]);

index = Math.floor(Math.random() * horzimages.length);

document.write(horzimages[index]);

index = Math.floor(Math.random() * horzimages2.length);

document.write(horzimages2[index]);