// ************************* product rollovers *************************
if (document.images) {
	sidenav_prescription_off = new Image();
	sidenav_prescription_off.src = '/images/sidenav_prescription_off.gif';
	sidenav_prescription_on = new Image();
	sidenav_prescription_on.src = '/images/sidenav_prescription_on.gif';
	sidenav_otc_off = new Image();
	sidenav_otc_off.src = '/images/sidenav_otc_off.gif';
	sidenav_otc_on = new Image();
	sidenav_otc_on.src = '/images/sidenav_otc_on.gif';
	sidenav_allproducts_off = new Image();
	sidenav_allproducts_off.src = '/images/sidenav_allproducts_off.gif';
	sidenav_allproducts_on = new Image();
	sidenav_allproducts_on.src = '/images/sidenav_allproducts_on.gif';
}