var imageFiles_vt_33 = new Array();
imageFiles_vt_33['0'] = new Array ('_images/vt_Hair_Loss_Options.gif', '_images/vt_Hair_Loss_OptionsMouseover.gif');

function image_on_vt_33 (position) {
   var doc = eval("document.imagevt_33" + position);
   doc.src = imageFiles_vt_33[position][1];
}

function image_off_vt_33 (position) {
   var doc = eval("document.imagevt_33" + position);
   doc.src = imageFiles_vt_33[position][0];
}