var imageFiles_5t_52 = new Array();
imageFiles_5t_52['0'] = new Array ('_images/5t_HEAD_DOWN.gif', '_images/5t_HEAD_DOWNMouseover.gif');

function image_on_5t_52 (position) {
   var doc = eval("document.image5t_52" + position);
   doc.src = imageFiles_5t_52[position][1];
}

function image_off_5t_52 (position) {
   var doc = eval("document.image5t_52" + position);
   doc.src = imageFiles_5t_52[position][0];
}