var imageFiles_tg_1 = new Array();
imageFiles_tg_1['0'] = new Array ('_images/tg_CM_TRUCK_BEDS.gif', '_images/tg_CM_TRUCK_BEDSMouseover.gif');

function image_on_tg_1 (position) {
   var doc = eval("document.imagetg_1" + position);
   doc.src = imageFiles_tg_1[position][1];
}

function image_off_tg_1 (position) {
   var doc = eval("document.imagetg_1" + position);
   doc.src = imageFiles_tg_1[position][0];
}