if (document.images) 
{
img1 = new Image();
img2 = new Image();
img3 = new Image();
img4 = new Image();
img5 = new Image();
img1.src = "images/dresstips.jpg";
img2.src = "images/dresstips2.jpg"
img3.src = "images/dresstips3.jpg"
img4.src = "images/dresstips4.jpg"
img5.src = "images/dresstips5.jpg"
}