var imageFiles_4c_19 = new Array();
imageFiles_4c_19['0'] = new Array ('_images/4c_Home.gif', '_images/4c_HomeMouseover.gif');

function image_on_4c_19 (position) {
   var doc = eval("document.image4c_19" + position);
   doc.src = imageFiles_4c_19[position][1];
}

function image_off_4c_19 (position) {
   var doc = eval("document.image4c_19" + position);
   doc.src = imageFiles_4c_19[position][0];
}