var imageFiles_28_4 = new Array();
imageFiles_28_4['0'] = new Array ('_images/28_F_A_Q.gif', '_images/28_F_A_QMouseover.gif');

function image_on_28_4 (position) {
   var doc = eval("document.image28_4" + position);
   doc.src = imageFiles_28_4[position][1];
}

function image_off_28_4 (position) {
   var doc = eval("document.image28_4" + position);
   doc.src = imageFiles_28_4[position][0];
}