var imageFiles_17f_22 = new Array();
imageFiles_17f_22['0'] = new Array ('_images/17f_CBCT.gif', '_images/17f_CBCTMouseover.gif');
imageFiles_17f_22['1'] = new Array ('_images/17f_IMRT.gif', '_images/17f_IMRTMouseover.gif');
imageFiles_17f_22['2'] = new Array ('_images/17f_IGRT.gif', '_images/17f_IGRTMouseover.gif');
imageFiles_17f_22['3'] = new Array ('_images/17f_Taking_Control.gif', '_images/17f_Taking_ControlMouseover.gif');

function image_on_17f_22 (position) {
   var doc = eval("document.image17f_22" + position);
   doc.src = imageFiles_17f_22[position][1];
}

function image_off_17f_22 (position) {
   var doc = eval("document.image17f_22" + position);
   doc.src = imageFiles_17f_22[position][0];
}