var imageFiles_8y_17 = new Array();
imageFiles_8y_17['0'] = new Array ('_images/8y_FEEDBACK.gif', '_images/8y_FEEDBACKMouseover.gif');

function image_on_8y_17 (position) {
   var doc = eval("document.image8y_17" + position);
   doc.src = imageFiles_8y_17[position][1];
}

function image_off_8y_17 (position) {
   var doc = eval("document.image8y_17" + position);
   doc.src = imageFiles_8y_17[position][0];
}