if (document.images) 
{
		img1 = new Image(896, 200);
		img2 = new Image(896, 200);
		img3 = new Image(896, 200);
		img4 = new Image(896, 200);
		img5 = new Image(896, 200);
		img1.src = "../images/a1.gif";
		img2.src = "../images/a2.gif";
		img3.src = "../images/a3.gif";
		img4.src = "../images/a4.gif";
		img5.src = "../images/a5.gif";
}