var imageFiles_512_1 = new Array();
imageFiles_512_1['0'] = new Array ('_images/512_Rocky_Mt_Chapter_Results.gif', '_images/512_Rocky_Mt_Chapter_ResultsMouseover.gif');

function image_on_512_1 (position) {
   var doc = eval("document.image512_1" + position);
   doc.src = imageFiles_512_1[position][1];
}

function image_off_512_1 (position) {
   var doc = eval("document.image512_1" + position);
   doc.src = imageFiles_512_1[position][0];
}