function expandAll(group) {
  var layer, cnt=0;
  while( layer=document.getElementById(group+cnt) ) {
    controlTsrBody(group+cnt,'open');
    cnt++;
  }
}

function collapseAll(group) {
  var layer, cnt=0;
  while( layer=document.getElementById(group+cnt) ) {
    controlTsrBody(group+cnt,'close');
    cnt++;
  }
}