var imageFiles_8_19 = new Array();
imageFiles_8_19['0'] = new Array ('_images/8_About_Us.gif', '_images/8_About_UsMouseover.gif');

function image_on_8_19 (position) {
   var doc = eval("document.image8_19" + position);
   doc.src = imageFiles_8_19[position][1];
}

function image_off_8_19 (position) {
   var doc = eval("document.image8_19" + position);
   doc.src = imageFiles_8_19[position][0];
}