var currentId = "";
var currentTimeOut = "";

function submenuShow(id){
  resetTimeOut();
  
  if(id == currentId)return;
  if(id){
    if(currentId)document.getElementById(currentId).className = "nodisplay";
    document.getElementById(id).className = "display";
    currentId = id;
  }
  return;  
}
function resetTimeOut(){
  if(currentTimeOut)clearTimeout(currentTimeOut);
  return;
}

function submenuHide(){
  var s = document.getElementsByTagName("select");
  for(var i=0;s[i];i++)s[i].style.visibility = 'hidden';
  resetTimeOut();
  currentTimeOut=setTimeout(hideSubmenu,1000);
  return;
}
function hideSubmenu(){
  var s = document.getElementsByTagName("select");
  for(var i=0;s[i];i++)s[i].style.visibility = 'visible';
  document.getElementById(currentId).className = "nodisplay";
  currentId = "";
  return;
}
function changeCat(obj){
  if(obj.options[obj.selectedIndex].value == "-1"){
    return
  }else{
    document.location.href = "/branschvis/" + obj.options[obj.selectedIndex].value;
    return;
  }  
}