var imageFiles_28_19 = new Array();
imageFiles_28_19['0'] = new Array ('_images/28_F_A_Q.gif', '_images/28_F_A_QMouseover.gif');

function image_on_28_19 (position) {
   var doc = eval("document.image28_19" + position);
   doc.src = imageFiles_28_19[position][1];
}

function image_off_28_19 (position) {
   var doc = eval("document.image28_19" + position);
   doc.src = imageFiles_28_19[position][0];
}