var imageFiles_4hlo9_4 = new Array();
imageFiles_4hlo9_4['0'] = new Array ('_images/4hlo9_Coal_Creek.gif', '_images/4hlo9_Coal_CreekMouseover.gif');

function image_on_4hlo9_4 (position) {
   var doc = eval("document.image4hlo9_4" + position);
   doc.src = imageFiles_4hlo9_4[position][1];
}

function image_off_4hlo9_4 (position) {
   var doc = eval("document.image4hlo9_4" + position);
   doc.src = imageFiles_4hlo9_4[position][0];
}