var imageFiles_nk_40 = new Array();
imageFiles_nk_40['0'] = new Array ('_images/nk_Books___Bibles.gif', '_images/nk_Books___BiblesMouseover.gif');

function image_on_nk_40 (position) {
   var doc = eval("document.imagenk_40" + position);
   doc.src = imageFiles_nk_40[position][1];
}

function image_off_nk_40 (position) {
   var doc = eval("document.imagenk_40" + position);
   doc.src = imageFiles_nk_40[position][0];
}