//this defaults the selected year to 2010
var newOpenItem = 'bio15';
var previousYear = 'openbio15';

function hideBio() {
    d = document.getElementsByTagName('div');
    j = 0;
    var cl = new Array()
    for (i = 0; i < d.length; i++) {
        if (d[i].className == 'biodetails') {
            cl[j] = d[i].id;

            if (d[i].id != newOpenItem) {
                d[i].style.display = "none"
            }
            j++
        }
    }
}

function getObject( obj ) {

  // step 1
  if ( document.getElementById ) {
    obj = document.getElementById( obj );

  // step 2
  } else if ( document.all ) {
    obj = document.all.item( obj );

  //step 3
  } else {
    obj = null;
  }

  //step 4
  return obj;
  }

function moveObject( obj, e, daPic ) {

  // step 1
  var tempX = 0;
  var tempY = 0;
  var offsetX = -370;
var offsetY = -40;
  var objHolder = obj;

  // step 2
  obj = getObject( obj );
  if (obj==null) return;

  // step 3
  if (document.all) {
    tempX = event.clientX + document.body.scrollLeft;
    tempY = event.clientY + document.body.scrollTop;
  } else {
    tempX = e.pageX;
    tempY = e.pageY;
  }

  // step 4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}

  // step 5
  obj.style.top  = (tempY + offsetY) + 'px';
  obj.style.left = (tempX + offsetX) + 'px';

  //added innerHTML
  obj.innerHTML = '<img src="images/cs/big/%27+ daPic + %27" />';


  // step 6
  displayObject( objHolder, true );
  }

  function displayObject( obj, show ) {
  // step 1
  obj = getObject( obj );
  if (obj==null) return;

  // step 2
  obj.style.display = show ? 'block' : 'none';
  obj.style.visibility = show ? 'visible' : 'hidden';
  }

var openItem = '';

  function changedisplay(daLink, daID){
                if (openItem!='')
                {
                                document.getElementById(openItem).style.display = 'none';
                                document.getElementById('previouslink').className='arrow';
                }
                if(daID!=openItem){
                                if (document.getElementById(daID).style.display == 'none'){
                                                if(document.getElementById('previouslink')){
                                                document.getElementById('previouslink').setAttribute('id','');
                                                }
                                daLink.parentNode.getElementsByTagName("a")[0].className='arrowdown';
                                daLink.parentNode.getElementsByTagName("a")[0].setAttribute('id','previouslink');
                                document.getElementById(daID).style.display = 'block';
                                }else{
                                daLink.parentNode.getElementsByTagName("a")[0].className='arrow';
                                document.getElementById(daID).style.display = '';
                                }
                                openItem = daID;
                                }else{
                                openItem = '';
                }
}


function newChangedisplay(daLink, daID) {

    if (daID != newOpenItem) {
    
        //hide the old selected year
        if (newOpenItem != '' && previousYear != '') {
            document.getElementById(newOpenItem).style.display = 'none';
            document.getElementById(previousYear).className = 'yearExpand';
        }   
        
        if (document.getElementById(daID).style.display == 'none') {
            daLink.className = 'yearExpandDown';
            previousYear = daLink.id;
            document.getElementById(daID).style.display = 'block';
        }

        newOpenItem = daID;
    }
}