function selectmenu_visible(mi, sm){
  if(mi != 0){
    document.getElementById(mi).style.color="#22FFFF";
  }
  if(sm != 0){
    document.getElementById(sm).style.visibility="visible";
  }
}
function selectmenu_hidden(mi, sm){
  if(mi != 0){
     document.getElementById(mi).style.color="#FFFFFF";
  }
  if(sm != 0){
    document.getElementById(sm).style.visibility="hidden";
  }
}
function openURL(srchs){
  document.frm.in_menu.value = srchs;
  document.frm.in_and.value = "1";
  document.frm.submit();
}
function chg_img(img_name, chg_img_path) {
  img_name.src = chg_img_path;
}