var imageFiles_57_16 = new Array();
imageFiles_57_16['0'] = new Array ('_images/57_PROJECTS.gif', '_images/57_PROJECTSMouseover.gif');

function image_on_57_16 (position) {
   var doc = eval("document.image57_16" + position);
   doc.src = imageFiles_57_16[position][1];
}

function image_off_57_16 (position) {
   var doc = eval("document.image57_16" + position);
   doc.src = imageFiles_57_16[position][0];
}