if (document.images) 
{
img1 = new Image();
img2 = new Image();
img3 = new Image();
img4 = new Image();
img5 = new Image();
img6 = new Image();
img1.src = "images/codnewsletter.jpg"
img2.src = "images/codnewsletter2.jpg"
img3.src = "images/codnewsletter3.jpg"
img4.src = "images/codnewsletter4.jpg"
img5.src = "images/codnewsletter5.jpg"
img6.src = "images/codnewsletter6.jpg"
}