allOpened = false;

function foldingMenu(obj) {

  if(!obj.id || obj.id.indexOf("li")!=0)return false;

  if(obj.id=="allopenbutton") {

    allOpen();return false

  }

  obj2 = "u" + obj.id;

  if(document.all) {

    if(!document.all(obj2))return false;

    obj2 = document.all(obj2);

    obj2.className = obj2.className=="open" ? "close" : "open";

    obj.className = obj2.className;

  }

  else if(document.getElementById) {

    if(!document.getElementById(obj2))return false;

    obj2 = document.getElementById(obj2);

    obj2.className = obj2.className=="open" ? "close" : "open";

    obj.className = obj2.className;

  }

}