var imageFiles_bt_40 = new Array();
imageFiles_bt_40['0'] = new Array ('_images/bt_Bathbars.gif', '_images/bt_BathbarsMouseover.gif');

function image_on_bt_40 (position) {
   var doc = eval("document.imagebt_40" + position);
   doc.src = imageFiles_bt_40[position][1];
}

function image_off_bt_40 (position) {
   var doc = eval("document.imagebt_40" + position);
   doc.src = imageFiles_bt_40[position][0];
}