var imageFiles_4l_373 = new Array();
imageFiles_4l_373['0'] = new Array ('_images/4l_Carrier.gif', '_images/4l_CarrierMouseover.gif');

function image_on_4l_373 (position) {
   var doc = eval("document.image4l_373" + position);
   doc.src = imageFiles_4l_373[position][1];
}

function image_off_4l_373 (position) {
   var doc = eval("document.image4l_373" + position);
   doc.src = imageFiles_4l_373[position][0];
}