var imageFiles_4f_1 = new Array();
imageFiles_4f_1['0'] = new Array ('_images/4f_HOME.gif', '_images/4f_HOMEMouseover.gif');

function image_on_4f_1 (position) {
   var doc = eval("document.image4f_1" + position);
   doc.src = imageFiles_4f_1[position][1];
}

function image_off_4f_1 (position) {
   var doc = eval("document.image4f_1" + position);
   doc.src = imageFiles_4f_1[position][0];
}