var imageFiles_4o_17 = new Array();
imageFiles_4o_17['0'] = new Array ('_images/4o_HOME.gif', '_images/4o_HOMEMouseover.gif');

function image_on_4o_17 (position) {
   var doc = eval("document.image4o_17" + position);
   doc.src = imageFiles_4o_17[position][1];
}

function image_off_4o_17 (position) {
   var doc = eval("document.image4o_17" + position);
   doc.src = imageFiles_4o_17[position][0];
}