var imageFiles_c5_3 = new Array();
imageFiles_c5_3['0'] = new Array ('_images/c5_OSGA.gif', '_images/c5_OSGAMouseover.gif');

function image_on_c5_3 (position) {
   var doc = eval("document.imagec5_3" + position);
   doc.src = imageFiles_c5_3[position][1];
}

function image_off_c5_3 (position) {
   var doc = eval("document.imagec5_3" + position);
   doc.src = imageFiles_c5_3[position][0];
}