var imageFiles_vn_16 = new Array();
imageFiles_vn_16['0'] = new Array ('_images/vn_HOME___.gif', '_images/vn_HOME___Mouseover.gif');
imageFiles_vn_16['1'] = new Array ('_images/vn_SITEMAP___.gif', '_images/vn_SITEMAP___Mouseover.gif');
imageFiles_vn_16['2'] = new Array ('_images/vn_GIFT_CERTIFICATES___.gif', '_images/vn_GIFT_CERTIFICATES___Mouseover.gif');

function image_on_vn_16 (position) {
   var doc = eval("document.imagevn_16" + position);
   doc.src = imageFiles_vn_16[position][1];
}

function image_off_vn_16 (position) {
   var doc = eval("document.imagevn_16" + position);
   doc.src = imageFiles_vn_16[position][0];
}