var imageFiles_f8_9 = new Array();
imageFiles_f8_9['0'] = new Array ('_images/f8_Head_Home_.gif', '_images/f8_Head_Home_Mouseover.gif');

function image_on_f8_9 (position) {
   var doc = eval("document.imagef8_9" + position);
   doc.src = imageFiles_f8_9[position][1];
}

function image_off_f8_9 (position) {
   var doc = eval("document.imagef8_9" + position);
   doc.src = imageFiles_f8_9[position][0];
}