// main nav buttons

if (document.images)   {
     image1on = new Image();
     image1on.src="/images/a2.jpg";

     image1off = new Image();
     image1off.src = "/images/a1.jpg";

}

if (document.images)   {
     image2on = new Image();
     image2on.src="/images/b2.jpg";

     image2off = new Image();
     image2off.src = "/images/b1.jpg";

}

if (document.images)   {
     image3on = new Image();
     image3on.src="/images/c2.jpg";

     image3off = new Image();
     image3off.src = "/images/c1.jpg";

}

if (document.images)   {
     image4on = new Image();
     image4on.src="/images/d2.jpg";

     image4off = new Image();
     image4off.src = "/images/d1.jpg";

}

if (document.images)   {
     image5on = new Image();
     image5on.src="/images/e2.jpg";

     image5off = new Image();
     image5off.src = "/images/e1.jpg";

}

if (document.images)   {
     image6on = new Image();
     image6on.src="/images/f2.jpg";

     image6off = new Image();
     image6off.src = "/images/f1.jpg";

}



if (document.images)   {
     image7on = new Image();
     image7on.src="/images/g2.jpg";

     image7off = new Image();
     image7off.src = "/images/g1.jpg";

}

if (document.images)   {
     image8on = new Image();
     image8on.src="/images/h2.jpg";

     image8off = new Image();
     image8off.src = "/images/h1.jpg";

}

// about nav buttons

if (document.images)   {
     about1on = new Image();
     about1on.src="/images/abouta2.jpg";

     about1off = new Image();
     about1off.src = "/images/abouta1.jpg";

}

if (document.images)   {
     about2on = new Image();
     about2on.src="/images/aboutb2.jpg";

     about2off = new Image();
     about2off.src = "/images/aboutb1.jpg";

}

if (document.images)   {
     about3on = new Image();
     about3on.src="/images/aboutc2.jpg";

     about3off = new Image();
     about3off.src = "/images/aboutc1.jpg";

}

if (document.images)   {
     about4on = new Image();
     about4on.src="/images/aboutd2.jpg";

     about4off = new Image();
     about4off.src = "/images/aboutd1.jpg";

}

if (document.images)   {
     about5on = new Image();
     about5on.src="/images/aboute2.jpg";

     about5off = new Image();
     about5off.src = "/images/aboute1.jpg";

}

if (document.images)   {
     about6on = new Image();
     about6on.src="/images/aboutf2.jpg";

     about6off = new Image();
     about6off.src = "/images/aboutf1.jpg";

}

// class nav buttons

if (document.images)   {
     class1on = new Image();
     class1on.src="/images/classa2.jpg";

     class1off = new Image();
     class1off.src = "/images/classa1.jpg";

}

if (document.images)   {
     class2on = new Image();
     class2on.src="/images/classb2.jpg";

     class2off = new Image();
     class2off.src = "/images/classb1.jpg";

}

if (document.images)   {
     class3on = new Image();
     class3on.src="/images/classc2.jpg";

     class3off = new Image();
     class3off.src = "/images/classc1.jpg";

}

if (document.images)   {
     class4on = new Image();
     class4on.src="/images/classd2.jpg";

     class4off = new Image();
     class4off.src = "/images/classd1.jpg";

}

if (document.images)   {
     class5on = new Image();
     class5on.src="/images/classe2.jpg";

     class5off = new Image();
     class5off.src = "/images/classe1.jpg";

}

if (document.images)   {
     class6on = new Image();
     class6on.src="/images/classf2.jpg";

     class6off = new Image();
     class6off.src = "/images/classf1.jpg";

}

if (document.images)   {
     class7on = new Image();
     class7on.src="/images/classg2.jpg";

     class7off = new Image();
     class7off.src = "/images/classg1.jpg";

}

if (document.images)   {
     class8on = new Image();
     class8on.src="/images/classh2.jpg";

     class8off = new Image();
     class8off.src = "/images/classh1.jpg";

}

// policy nav buttons

if (document.images)   {
     policy1on = new Image();
     policy1on.src="/images/policya2.jpg";

     policy1off = new Image();
     policy1off.src = "/images/policya1.jpg";

}

if (document.images)   {
     policy2on = new Image();
     policy2on.src="/images/policyb2.jpg";

     policy2off = new Image();
     policy2off.src = "/images/policyb1.jpg";

}


function turnOn(imageName)   {
     if (document.images)   {
     document[imageName].src = eval(imageName + "on.src");
     }
}

function turnOff(imageName)   {
     if (document.images)   {
     document[imageName].src = eval(imageName + "off.src");
     }
}