// show/hide functions
function show(id)
{
	d = document.getElementById(id);
	d.style.display = "block";
}

function hide(id)
{
	d = document.getElementById(id);
	d.style.display = "none";
}

function showinline(id)
{
	d = document.getElementById(id);
	d.style.display = "inline";
}

sfHover = function() {
	var sfEls = document.getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function showResourceTypes()
{
document.getElementById("theTypes").style.display = "block";
}

function addEvent(obj, type, fn) {
  if (obj.attachEvent) {
      obj['e' + type + fn] = fn;
      obj[type + fn] = function(){obj['e' + type + fn]( window.event );}
      obj.attachEvent( 'on' + type, obj[type + fn] );
  } else
      obj.addEventListener(type, fn, false);
}

function init() {
  //var div = document.getElementById('adjustFont');
  //var links = div.getElementsByTagName('a');
  //for (var i = 0; i < links.length; i++) {
   // var thelink = links[i];
    /* Add event handlers to font modifier links Taken out for future enhancement */
    //addEvent(thelink, 'click',function(event) { sizeModifier(this);});
  //}

  var printLink = document.getElementById('printlink');
  if (printLink != null) {
    addEvent(printLink, 'click', function(){window.print();});
  }

  /* Hide/display functionality for upcoming events' "read more" link */
  var container = document.getElementById('contentArea');
  if(container != null) {
    var tabDivs = container.getElementsByTagName('div');

    /* cycle through divs looking for the readMore one*/
    for (var i = 0; i < tabDivs.length; i++) {
      var theDiv = tabDivs[i];
      if (theDiv.getAttribute(document.all ? "className" : "class") == "readMore") {

        /* addevent to the link within the readMore div */
        var readLinks = theDiv.getElementsByTagName('a');
        for (var j = 0; j < readLinks.length; j++) {
          var thelink = readLinks[j];
          addEvent(thelink, 'click',function(event) { showEventDescription(this);return false;});
        }
      }
    }
  }
}

addEvent(window, 'load', init, false);

function showEventDescription(obj) {
  var desc = obj.nextSibling;
  desc.setAttribute((document.all ? "className" : "class"), "on");
  return false;
}

function sizeModifier(obj) {
  var content = document.getElementById('wrapper');
  var minus = document.getElementById('fontDecrease');
  var add = document.getElementById('fontIncrease');
  var classPlaceHolder;

  if (obj == minus) {
    classPlaceHolder = "minus";
    oppositePlaceHolder = "add";
  }else if (obj == add) {
    classPlaceHolder = "add";
    oppositePlaceHolder = "minus";
  }

  if (classPlaceHolder != '') {
    if (content.getAttribute(document.all ? "className" : "class") == oppositePlaceHolder) {
      content.removeAttribute(document.all ? "className" : "class");
    } else {
      content.setAttribute((document.all ? "className" : "class"), classPlaceHolder);
    }
  }
}