var type = "item";
function chg_Ctg(ctg) {
  var blockObj;
  var noneObj;

  if (ctg == "a") {
    type = "item";
    blockObj = "af_he_50_a";
    noneObj  = "af_he_50_b"
  } else {
    type = "maker";
    blockObj = "af_he_50_b";
    noneObj  = "af_he_50_a"
  }

  TargetObj = (document.getElementById)? document.getElementById(blockObj):(document.all)? document.all[blockObj]:null;
  if(TargetObj.style.display != "block"){
    TargetObj.style.display = "block";
  }

  TargetObj = (document.getElementById)? document.getElementById(noneObj):(document.all)? document.all[noneObj]:null;
  if(TargetObj.style.display != "none"){
    TargetObj.style.display = "none";
  }
}

function key_search(key) {
  window.location.href = "/CGI/search.cgi?mode=on_search&type=" + type + "&on=" + key;
}

/*
function eve1() {
  if (document.form1.item_cd1.value.length >= 4) {
    document.form1.item_cd2.focus();
  }
  return true;
}

document.onkeyup = eve1;
*/