var imageFiles_i_21 = new Array();
imageFiles_i_21['0'] = new Array ('_images/i_Links.gif', '_images/i_LinksMouseover.gif');

function image_on_i_21 (position) {
   var doc = eval("document.imagei_21" + position);
   doc.src = imageFiles_i_21[position][1];
}

function image_off_i_21 (position) {
   var doc = eval("document.imagei_21" + position);
   doc.src = imageFiles_i_21[position][0];
}