if (document.images) 
{
img1 = new Image();
img2 = new Image();
img3 = new Image();
img4 = new Image();
img5 = new Image();
img6 = new Image();
img1.src = "01.jpg";
img2.src = "02.jpg"
img3.src = "03.jpg"
img4.src = "04.jpg"
img5.src = "05.jpg"
img6.src = "06.jpg"
}