if (document.images) 
{
img1 = new Image();
img2 = new Image();
img3 = new Image();
img4 = new Image();
img5 = new Image();
img1.src = "images/vadivas.jpg";
img2.src = "images/vadivas2.jpg"
img3.src = "images/vadivas3.jpg"
img4.src = "images/vadivas4.jpg"
img5.src = "images/vadivas5.jpg"
}