var divsopen = Array();

function closealldivs() {
  for (var i=0;i<divsopen.length;i++) {
    closediv(divsopen[i]);
  }
  divsopen = Array();
}

function closediv(name) {
  if (!document.getElementById) return;
  var el = document.getElementById(name);
  if (!el) return;
  el.style.display = 'none';
}

function opendiv(name) {
  if (!document.getElementById) return;
  try {
    var el = document.getElementById(name);
    if (!el) return;
    el.style.display = 'block';
    divsopen.push(name);
  } catch(e) {}
}

function togglediv(name) {
  if (!document.getElementById) return;
  try {
    var el = document.getElementById(name);
    if (el.style.display == 'block') {
      el.style.display == 'none';
    } else {
      el.style.display == 'block';
    }
  } catch(e) {}
}

function setdivcontent(divname,content) {
  if (!document.getElementById) return;
  try {
    var el = document.getElementById(divname);
    el.innerHTML = content;
  } catch (e) {}
}