var imageFiles_pb_1 = new Array();
imageFiles_pb_1['0'] = new Array ('_images/pb_PICTURES.gif', '_images/pb_PICTURESMouseover.gif');

function image_on_pb_1 (position) {
   var doc = eval("document.imagepb_1" + position);
   doc.src = imageFiles_pb_1[position][1];
}

function image_off_pb_1 (position) {
   var doc = eval("document.imagepb_1" + position);
   doc.src = imageFiles_pb_1[position][0];
}