var imageFiles_57_10 = new Array();
imageFiles_57_10['0'] = new Array ('_images/57_PROJECTS.gif', '_images/57_PROJECTSMouseover.gif');

function image_on_57_10 (position) {
   var doc = eval("document.image57_10" + position);
   doc.src = imageFiles_57_10[position][1];
}

function image_off_57_10 (position) {
   var doc = eval("document.image57_10" + position);
   doc.src = imageFiles_57_10[position][0];
}