var dom = new Object();
dom.event = new Object();

dom.event.addEventListener = function(elm, type, func, useCapture) {
  if(! elm) { return false; }
  if(! useCapture) {
    useCapture = false;
  }
  if(elm.addEventListener) {
    elm.addEventListener(type, func, false);
  } else if(elm.attachEvent) {
    elm.attachEvent('on'+type, func);
  } else {
    return false;
  }
  return true;
};

dom.event.target = function(evt) {
  if(evt && evt.target) {
    if(evt.target.nodeType == 3) {
      return evt.target.parentNode;
    } else {
      return evt.target;
    }
  } else if(window.event && window.event.srcElement) {
    return window.event.srcElement;
  } else {
    return null;
  }
};

dom.event.addEventListener(window, 'load', selectTab);

function selectTab()
{
	var tabSet = document.getElementById("tab");
	var tablist = tabSet.getElementsByTagName("li");
	for(var i = 0; i < tablist.length; i++)
	{
			var tab_li = tablist.item(i);
			var Yr = tab_li.getElementsByTagName("span")[0].firstChild.nodeValue;
			if(Yr == year)
			{
				tab_li.id = "current-tab";
			}
	}
}