var imageFiles_d_21 = new Array();
imageFiles_d_21['0'] = new Array ('_images/d_HOME.gif', '_images/d_HOMEMouseover.gif');

function image_on_d_21 (position) {
   var doc = eval("document.imaged_21" + position);
   doc.src = imageFiles_d_21[position][1];
}

function image_off_d_21 (position) {
   var doc = eval("document.imaged_21" + position);
   doc.src = imageFiles_d_21[position][0];
}