var imageFiles_19_19 = new Array();
imageFiles_19_19['0'] = new Array ('_images/19_Clean_up.gif', '_images/19_Clean_upMouseover.gif');

function image_on_19_19 (position) {
   var doc = eval("document.image19_19" + position);
   doc.src = imageFiles_19_19[position][1];
}

function image_off_19_19 (position) {
   var doc = eval("document.image19_19" + position);
   doc.src = imageFiles_19_19[position][0];
}