var imageFiles_51_28 = new Array();
imageFiles_51_28['0'] = new Array ('_images/51_Cert_Request.gif', '_images/51_Cert_RequestMouseover.gif');
imageFiles_51_28['1'] = new Array ('_images/51_Claim_Form.gif', '_images/51_Claim_FormMouseover.gif');
imageFiles_51_28['2'] = new Array ('_images/51_Address_Change.gif', '_images/51_Address_ChangeMouseover.gif');

function image_on_51_28 (position) {
   var doc = eval("document.image51_28" + position);
   doc.src = imageFiles_51_28[position][1];
}

function image_off_51_28 (position) {
   var doc = eval("document.image51_28" + position);
   doc.src = imageFiles_51_28[position][0];
}