var browser = navigator.userAgent;
if (browser.lastIndexOf('MSIE') != -1) {
  var ie = 1;
} else {
  var ie = 0;
}

function bigger(pTarget) {
  var node1 = 1;
  var node2 = 3;
  if (ie == 1) {
    node1 = 0;
    node2 = 1;
  }
  pTarget.parentNode.parentNode.parentNode.childNodes[node1].style.display = 'block';
  pTarget.parentNode.parentNode.parentNode.childNodes[node2].style.display = 'none';
  //alert(pTarget.parentNode.parentNode.parentNode.childNodes[3].className);
}

function smaller(pTarget) {
  var node1 = 3;
  if (ie == 1) {
    node1 = 1;
  }
  pTarget.parentNode.parentNode.style.display = 'none';
  pTarget.parentNode.parentNode.parentNode.childNodes[node1].style.display = 'block';
  //alert(pTarget.parentNode.parentNode.className);
}

function expand(pTarget) {
  var node1 = 1;
  var node2 = 0;
  if (ie == 1) {
    node1 = 1;
    node2 = 0;
  }
  pTarget.parentNode.parentNode.parentNode.parentNode.childNodes[node1].style.display = 'block';
  pTarget.parentNode.parentNode.parentNode.parentNode.childNodes[node2].style.display = 'none';
  //alert(pTarget.parentNode.parentNode.parentNode.parentNode.childNodes[5].className);
}

function depand(pTarget) {
  var node1 = 0;
  if (ie == 1) {
    node1 = 0;
  }
  pTarget.parentNode.parentNode.parentNode.style.display = 'none';
  pTarget.parentNode.parentNode.parentNode.parentNode.childNodes[node1].style.display = 'block';
  //alert(pTarget.parentNode.parentNode.className);
}