var imageFiles_vw_33 = new Array();
imageFiles_vw_33['0'] = new Array ('_images/vw_During_Chemo.gif', '_images/vw_During_ChemoMouseover.gif');
imageFiles_vw_33['1'] = new Array ('_images/vw_For_Radiation.gif', '_images/vw_For_RadiationMouseover.gif');

function image_on_vw_33 (position) {
   var doc = eval("document.imagevw_33" + position);
   doc.src = imageFiles_vw_33[position][1];
}

function image_off_vw_33 (position) {
   var doc = eval("document.imagevw_33" + position);
   doc.src = imageFiles_vw_33[position][0];
}