var imageFiles_8_9 = new Array();
imageFiles_8_9['0'] = new Array ('_images/8_About_Us.gif', '_images/8_About_UsMouseover.gif');

function image_on_8_9 (position) {
   var doc = eval("document.image8_9" + position);
   doc.src = imageFiles_8_9[position][1];
}

function image_off_8_9 (position) {
   var doc = eval("document.image8_9" + position);
   doc.src = imageFiles_8_9[position][0];
}