function listSel(fld,id) {
var opt = fld.selectedIndex;
if (fld[opt].id != ' ') {
   var sel = document.getElementById(id);
   for (var i = sel.options.length -1; i > -1; i--) {
      if (fld[opt].id == sel[i].id) sel[i].selected = true;
      }
   }
}