//------------------------------------------------------------------------------function setSelectValue(sel_obj, sel_val) {  var opt = sel_obj.options;  for (var i=0; i<opt.length; i++) {    if (opt[i].value == sel_val) {      opt[i].selected = true;	  return;    }  }}//------------------------------------------------------------------------------function getSelectValue(sel_obj) {  var ind = sel_obj.options.selectedIndex;  if (ind < 0) { return null; }  var val = sel_obj.options[ind].value;  return val;}//------------------------------------------------------------------------------function setRadioValue(r_obj, sel_val) {  for (var i=0; i<r_obj.length; i++) {    if (r_obj[i].value == sel_val) {      r_obj[i].checked = true;	  return;    }  }}//------------------------------------------------------------------------------function getRadioValue(r_obj) {  for (var i=0; i<r_obj.length; i++) {    if (r_obj[i].checked) {	  return r_obj[i].value;    }  }  return null;}//------------------------------------------------------------------------------function setCheckboxValue(cb_obj, sel_val) {  if (cb_obj.value == sel_val) {    cb_obj.checked = true;  }}//------------------------------------------------------------------------------function getCheckboxValue(cb_obj) {  if (cb_obj.checked) {    return cb_obj.value;  }}//------------------------------------------------------------------------------