var imageFiles_hr_13 = new Array();
imageFiles_hr_13['0'] = new Array ('_images/hr_LINKS.gif', '_images/hr_LINKSMouseover.gif');

function image_on_hr_13 (position) {
   var doc = eval("document.imagehr_13" + position);
   doc.src = imageFiles_hr_13[position][1];
}

function image_off_hr_13 (position) {
   var doc = eval("document.imagehr_13" + position);
   doc.src = imageFiles_hr_13[position][0];
}