var imageFiles_16_13 = new Array();
imageFiles_16_13['0'] = new Array ('_images/16_Pre_Owned_Equipment.gif', '_images/16_Pre_Owned_EquipmentMouseover.gif');
imageFiles_16_13['1'] = new Array ('_images/16_Mobile_Trucks.gif', '_images/16_Mobile_TrucksMouseover.gif');
imageFiles_16_13['2'] = new Array ('_images/16_Industrial_Shredders.gif', '_images/16_Industrial_ShreddersMouseover.gif');
imageFiles_16_13['3'] = new Array ('_images/16_HARD_DRIVE_SHREDDERS.gif', '_images/16_HARD_DRIVE_SHREDDERSMouseover.gif');

function image_on_16_13 (position) {
   var doc = eval("document.image16_13" + position);
   doc.src = imageFiles_16_13[position][1];
}

function image_off_16_13 (position) {
   var doc = eval("document.image16_13" + position);
   doc.src = imageFiles_16_13[position][0];
}