if (document.images) {
    img1 = new Image();
    img1.src = "./images/patient-resources-o.jpg";
	img2 = new Image();
    img2.src = "./images/physician-access-o.jpg";
	img3 = new Image();
    img3.src = "./images/services-locations-o.jpg";
	img4 = new Image();
    img4.src = "./images/logo-o.jpg";
	img4 = new Image();
    img4.src = "./images/make-payment-button.png";
	img5 = new Image();
    img5.src = "./images/careers-button-on.png";
}

