var imageFiles_th_1 = new Array();
imageFiles_th_1['0'] = new Array ('_images/th_FEATHERLITE.gif', '_images/th_FEATHERLITEMouseover.gif');

function image_on_th_1 (position) {
   var doc = eval("document.imageth_1" + position);
   doc.src = imageFiles_th_1[position][1];
}

function image_off_th_1 (position) {
   var doc = eval("document.imageth_1" + position);
   doc.src = imageFiles_th_1[position][0];
}