/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

var weekday=new Array(7);
  weekday[0]="Sunday";
  weekday[1]="Monday";
  weekday[2]="Tuesday";
  weekday[3]="Wednesday";
  weekday[4]="Thursday";
  weekday[5]="Friday";
  weekday[6]="Saturday";
  
var month=new Array(12);
  month[1]="January";
  month[2]="February";
  month[3]="March";
  month[4]="April";
  month[5]="May";
  month[6]="June";
  month[7]="July";
  month[8]="August";
  month[9]="September";
  month[10]="October";
  month[11]="November";
  month[12]="December";
  

<!--
/* Loads the Google data JavaScript client library */
google.load("gdata", "2.x");

function init() {
  // init the Google data JS client library with an error handler
  google.gdata.client.init(handleGDError);
  // load the code.google.com developer calendar
  loadDeveloperCalendar();
}

/**
 * Loads the Google Developers Event Calendar
 */
function loadDeveloperCalendar() {
  loadCalendarByAddress('drexelcrusade%40gmail.com');
}

/**
 * Adds a leading zero to a single-digit number.  Used for displaying dates.
 */
function padNumber(num) {
  if (num <= 9) {
    return "0" + num;
  }
  return num;
}

/**
 * Determines the full calendarUrl based upon the calendarAddress
 * argument and calls loadCalendar with the calendarUrl value.
 *
 * @param {string} calendarAddress is the email-style address for the calendar
 */ 
function loadCalendarByAddress(calendarAddress) {
  var calendarUrl = 'https://www.google.com/calendar/feeds/' +
                    calendarAddress + 
                    '/public/full';
  loadCalendar(calendarUrl);
}

/**
 * Uses Google data JS client library to retrieve a calendar feed from the specified
 * URL.  The feed is controlled by several query parameters and a callback 
 * function is called to process the feed results.
 *
 * @param {string} calendarUrl is the URL for a public calendar feed
 */  
function loadCalendar(calendarUrl) {
  var service = new 
      google.gdata.calendar.CalendarService('gdata-js-client-samples-simple');
  var query = new google.gdata.calendar.CalendarEventQuery(calendarUrl);
  query.setOrderBy('starttime');
  query.setSortOrder('ascending');
  query.setFutureEvents(true);
  query.setSingleEvents(true);
  query.setMaxResults(7);

  service.getEventsFeed(query, listEvents, handleGDError);
}

/**
 * Callback function for the Google data JS client library to call when an error
 * occurs during the retrieval of the feed.  Details available depend partly
 * on the web browser, but this shows a few basic examples. In the case of
 * a privileged environment using ClientLogin authentication, there may also
 * be an e.type attribute in some cases.
 *
 * @param {Error} e is an instance of an Error 
 */
function handleGDError(e) {
  document.getElementById('jsSourceFinal').setAttribute('style', 
      'display:none');
  if (e instanceof Error) {
    /* alert with the error line number, file and message */
    alert('Error at line ' + e.lineNumber +
          ' in ' + e.fileName + '\n' +
          'Message: ' + e.message);
    /* if available, output HTTP error code and status text */
    if (e.cause) {
      var status = e.cause.status;
      var statusText = e.cause.statusText;
      alert('Root cause: HTTP error ' + status + ' with status text of: ' + 
            statusText);
    }
  } else {
    alert(e.toString());
  }
}

/**
 * Callback function for the Google data JS client library to call with a feed 
 * of events retrieved.
 *
 * Creates an unordered list of events in a human-readable form.  This list of
 * events is added into a div called 'events'.  The title for the calendar is
 * placed in a div called 'calendarTitle'
 *
 * @param {json} feedRoot is the root of the feed, containing all entries 
 */ 
function listEvents(feedRoot) {
  var entries = feedRoot.feed.getEntries();
  var eventDivFull = document.getElementById('full');
  var eventDivLg   = document.getElementById('lg');
  var eventDivOt   = document.getElementById('ot');
  /* if (eventDiv.childNodes.length > 0) {
    eventDiv.removeChild(eventDiv.childNodes[0]);
  }	*/  
  /* create a new unordered list */
  var ul  = document.createElement('ul');
    var ulLg = document.createElement('ul');
    var ulOt = document.createElement('ul');
  
  /* loop through each event in the feed */
  var len = entries.length;

  for (var i = 0; i < len; i++) {
    var entry = entries[i];
    var descrip = entry.getContent().getText();
    var title = entry.getTitle().getText();
    var loc = entry.getLocations()[0].getValueString();
    var startDateTime = null;
    var startJSDate = null;
    var times = entry.getTimes();
      if (times.length > 0) {
        startDateTime = times[0].getStartTime();
        startJSDate = startDateTime.getDate();
      }
      var hrs = null;
      if (startJSDate.getHours() > 12) {
         hrs = (startJSDate.getHours() - 12) + ":" + 
            padNumber(startJSDate.getMinutes()) + " p.m.";
        } else { 
        hrs = startJSDate.getHours() + ":" + 
            padNumber(startJSDate.getMinutes()) + " a.m.";
        }
    var entryLinkHref = null;
      if (entry.getHtmlLink() != null) {
        entryLinkHref = entry.getHtmlLink().getHref();
      }
    var dateString = weekday[startJSDate.getDay()] + ", " + month[(startJSDate.getMonth() + 1)] + " " + startJSDate.getDate();
             
      var li = document.createElement('li'); 
        if (title != 'Large Group') {
          li.className = 'ot_li';
        } else { 
           li.className = 'lg_li';
           }
      
      /* if we have a link to the event, create an 'a' element  */
      if (entryLinkHref != null) {
        entryLink = document.createElement('a');
        entryLink.setAttribute('href', entryLinkHref);
        entryLink.appendChild(document.createTextNode(dateString));
        li.appendChild(entryLink);
            li.appendChild(document.createElement('br'));
      /* if not large group, then display event title */ 
        if (title != 'Large Group') {
          eventHead = document.createElement('em');
          eventHead.setAttribute('class', 'eventHead');
          eventHead.appendChild(document.createTextNode(title));
          li.appendChild(eventHead);
            li.appendChild(document.createElement('br'));
        }
        if (!startDateTime.isDateOnly()) {
          li.appendChild(document.createTextNode(hrs));
          li.appendChild(document.createElement('br'));
        }
        li.appendChild(document.createTextNode(loc));
          li.appendChild(document.createElement('br'));
        if (descrip != null) {
           if (title != 'Large Group') {
           li.appendChild(document.createTextNode(descrip));
           } else {
           li.appendChild(document.createTextNode(descrip));}

          }
      } else {
        li.appendChild(document.createTextNode(title + '\n' + dateString));
      }
    /* append the list item onto the unordered list */

    ul.appendChild(li);
  }
  
  var hidden = eventDivFull.appendChild(ul);

      var y = getElementsByClassName('ot_li');
      var z = getElementsByClassName('lg_li');
    
  var largeGroups = eventDivLg.appendChild(ulLg);
    largeGroups.appendChild(z[0]);
    
  var otherEvents = eventDivOt.appendChild(ulOt);
   var leny = y.length;
   for (var i = 0; i < 3; i++) { 
    otherEvents.appendChild(y[i].cloneNode(true));
   }
  
}

google.setOnLoadCallback(init);
//-->