var imageFiles_8y_1 = new Array();
imageFiles_8y_1['0'] = new Array ('_images/8y_FEEDBACK.gif', '_images/8y_FEEDBACKMouseover.gif');

function image_on_8y_1 (position) {
   var doc = eval("document.image8y_1" + position);
   doc.src = imageFiles_8y_1[position][1];
}

function image_off_8y_1 (position) {
   var doc = eval("document.image8y_1" + position);
   doc.src = imageFiles_8y_1[position][0];
}