var imageFiles_4s_397 = new Array();
imageFiles_4s_397['0'] = new Array ('_images/4s_Lennox.gif', '_images/4s_LennoxMouseover.gif');

function image_on_4s_397 (position) {
   var doc = eval("document.image4s_397" + position);
   doc.src = imageFiles_4s_397[position][1];
}

function image_off_4s_397 (position) {
   var doc = eval("document.image4s_397" + position);
   doc.src = imageFiles_4s_397[position][0];
}