var imageFiles_4c_17 = new Array();
imageFiles_4c_17['0'] = new Array ('_images/4c_Home.gif', '_images/4c_HomeMouseover.gif');

function image_on_4c_17 (position) {
   var doc = eval("document.image4c_17" + position);
   doc.src = imageFiles_4c_17[position][1];
}

function image_off_4c_17 (position) {
   var doc = eval("document.image4c_17" + position);
   doc.src = imageFiles_4c_17[position][0];
}