var imageFiles_e_21 = new Array();
imageFiles_e_21['0'] = new Array ('_images/e_Green_Checkup.gif', '_images/e_Green_CheckupMouseover.gif');
imageFiles_e_21['1'] = new Array ('_images/e_Green_Driving.gif', '_images/e_Green_DrivingMouseover.gif');
imageFiles_e_21['2'] = new Array ('_images/e_Buy_Green.gif', '_images/e_Buy_GreenMouseover.gif');

function image_on_e_21 (position) {
   var doc = eval("document.imagee_21" + position);
   doc.src = imageFiles_e_21[position][1];
}

function image_off_e_21 (position) {
   var doc = eval("document.imagee_21" + position);
   doc.src = imageFiles_e_21[position][0];
}