if (document.images) 
				{
				   img1 = new Image();
				   img2 = new Image();
				   img3 = new Image();
				   img4 = new Image();
				   img5 = new Image();
				   img1.src = "/_images/banner/bannerv1.jpg";
				   img2.src = "/_images/banner/bannerv2.jpg"
				   img3.src = "/_images/banner/bannerv3.jpg"
				   img4.src = "/_images/banner/bannerv4.jpg"
				   img5.src = "/_images/banner/bannerv5.jpg"
				}