if (document.images) {

img1on=new Image();                //Active images
img1on.src="images/ohome.jpg";
img2on=new Image();
img2on.src="images/oproductions.jpg";
img3on=new Image();
img3on.src="images/ophotos.jpg";
img4on=new Image();
img4on.src="images/obookings.jpg";
img5on=new Image();
img5on.src="images/osubscript.jpg";
img6on=new Image();
img6on.src="images/oabout.jpg";
img7on=new Image();
img7on.src="images/opositions.jpg";
img8on=new Image();
img8on.src="images/onewsletter.jpg";
img9on=new Image();
img9on.src="images/ocontact.jpg";
img10on=new Image();
img10on.src="images/olinks.jpg";
img11on=new Image();
img11on.src="images/onotices.jpg";
img12on=new Image();
img12on.src="images/ovideos.jpg";
img13on=new Image();
img13on.src="images/osalehire.jpg";
img14on=new Image();
img14on.src="images/oforms.jpg";

img1off=new Image();                //Inactive images
img1off.src="images/bhome.jpg";
img2off=new Image();
img2off.src="images/bproductions.jpg";
img3off=new Image();
img3off.src="images/bphotos.jpg";
img4off=new Image();
img4off.src="images/bbookings.jpg";
img5off=new Image();
img5off.src="images/bsubscript.jpg";
img6off=new Image();
img6off.src="images/babout.jpg";
img7off=new Image();
img7off.src="images/bpositions.jpg";
img8off=new Image();
img8off.src="images/bnewsletter.jpg";
img9off=new Image();
img9off.src="images/bcontact.jpg";
img10off=new Image();
img10off.src="images/blinks.jpg";
img11off=new Image();
img11off.src="images/bnotices.jpg";
img12off=new Image();
img12off.src="images/bvideos.jpg";
img13off=new Image();
img13off.src="images/bsalehire.jpg";
img14off=new Image();
img14off.src="images/bforms.jpg";

}

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

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