function initevents()
	{
		//variable to hold array of events
		var allDivs = document.getElementsByTagName('div');
		var j=0;
		allEvents = new Array();
		for(i=0; i < allDivs.length; i++)
		{
			if(allDivs[i].className == 'event')
			{
				allEvents[j] = allDivs[i];
				j++;
			}	
		}
		//current event
		currentEvent = 0;
		
		//update event display
		currDisplay = currentEvent + 1;
		totDisplay = allEvents.length ;
		var eventDisp = document.getElementById('event_display');
		eventDisp.innerHTML = '(' + currDisplay + ' of ' + totDisplay + ')';
	}

function nextevent()
	{
		// hide last event
		var lastEvent = document.getElementById('event_show');
		lastEvent.id = '';
		
		// see if you're at the end of the list
		var nextEvent = currentEvent + 1;
		if(nextEvent == allEvents.length){nextEvent = 0;}
									
		// show next event
		allEvents[nextEvent].id ='event_show';
		currentEvent = nextEvent;
		
		//update display
		currDisplay = currentEvent + 1 + '';
		totDisplay = allEvents.length + '';
		var eventDisp = document.getElementById('event_display');
		eventDisp.innerHTML = '(' + currDisplay + ' of ' + totDisplay + ')';
		return false;
	}
			
function prevevent()
	{
		// hide last event
		var lastEvent = document.getElementById('event_show');
		lastEvent.id = '';								
		
		// see if you're at the end of the beginning
		var nextEvent = currentEvent - 1;
		
		if(nextEvent == -1){nextEvent = allEvents.length - 1;}
									
		// show next event
		allEvents[nextEvent].id ='event_show';
		currentEvent = nextEvent;
		
		//update display
		currDisplay = currentEvent + 1 + '';
		totDisplay = allEvents.length + '';
		var eventDisp = document.getElementById('event_display');
		eventDisp.innerHTML = '(' + currDisplay + ' of ' + totDisplay + ')';
		return false;
	}