// small javascript for the allergy menu

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

function collapseOnLoad(){
    var liElem = document.getElementById("linkbox");
    var liList = liElem.getElementsByTagName('ul');
    for (var i = 0; i < liList.length; i++){
        if (liList[i] && liList[i].getAttribute('class') == 'lsthide') {
            liList[i].style.display = 'none';
        }
    }
}

function switchMenu(obj){
    var el = document.getElementById(obj);
    if (el.style.display != 'none'){
        el.style.display = 'none';
    }
    else{
        el.style.display = '';
    }
}

addLoadEvent(collapseOnLoad);