var imageFiles_4b_19 = new Array();
imageFiles_4b_19['0'] = new Array ('_images/4b_contact_us.gif', '_images/4b_contact_usMouseover.gif');
imageFiles_4b_19['1'] = new Array ('_images/4b_links.gif', '_images/4b_linksMouseover.gif');
imageFiles_4b_19['2'] = new Array ('_images/4b_privacy.gif', '_images/4b_privacyMouseover.gif');

function image_on_4b_19 (position) {
   var doc = eval("document.image4b_19" + position);
   doc.src = imageFiles_4b_19[position][1];
}

function image_off_4b_19 (position) {
   var doc = eval("document.image4b_19" + position);
   doc.src = imageFiles_4b_19[position][0];
}