i1 = new Image(); i1.src = '/img/nav/popcorn_on.gif';
i2 = new Image(); i2.src = '/img/nav/confectionary_on.gif';
i3 = new Image(); i3.src = '/img/nav/extruded_on.gif';
i4 = new Image(); i4.src = '/img/nav/manufacturing_on.gif';