var imageFiles_90_23 = new Array();
imageFiles_90_23['0'] = new Array ('_images/90__Food_Give_away.gif', '_images/90__Food_Give_awayMouseover.gif');

function image_on_90_23 (position) {
   var doc = eval("document.image90_23" + position);
   doc.src = imageFiles_90_23[position][1];
}

function image_off_90_23 (position) {
   var doc = eval("document.image90_23" + position);
   doc.src = imageFiles_90_23[position][0];
}