/* Tulane Virtual Tour Javascript by White Whale Web Services */
/* Requires jQuery and SWFObject.js*/
var have_loaded=0; // number of images which have loaded

$(document).ready(function() {
	// attach popup window event to tour map links
	$('a[href=tourmap.php]').click(function() {
		window.open('tourmap.php','tourmap','menubar=no,resizable=yes,scrollbars=yes,width=620,height=738');
		return false;// cancel the original click
	})
	// prep slideshow
	if(stop.images.length) {
		stop.slideshow = $('#photos').html('');
		$.each(stop.images,function() { stop.slideshow.prepend('<img src="'+this+'" alt="Virtual Tour Photo" style="display:none;"/>'); });
		stop.slideshow.find('img:last-child').show();
		if(stop.images.length>1) {
			stop.slideshow.find('img').load(function() {
				have_loaded++;
				if(stop.images.length==have_loaded) {
					stop.slideshow.find('img').show();
					stop.slideshow.before('<div id="controls_shadow"><div id="controls"><a id="tour_back">Previous Photo</a><a id="tour_pause">Play/Pause</a><a id="tour_forward">Next Photo</a>');// add slideshow controls
					$('#tour_back').click(prevImage);
					stop.pause = $('#tour_pause').click(toggleSlideshow);
					$('#tour_forward').click(nextImage);
					window.setTimeout(nextImage,3000); // start playing
				}
			});
		}
	}
	if(stop.video) swfobject.embedSWF('/tour/mediaplayer/flashversionis.swf', 'detect', '1', '1', '6.0.0', '/tour/mediaplayer/expressInstall.swf'); // calls flashVersionIs(9,0,115,0); forcing an upgrade if version is less than 6
	else $('#video').hide();
});

function flashVersionIs(majorVers,minorVers,majorRev,minorRev) { // The actual version as returned from flashversionis.swf (to avoid JS detection bugs); 9.0.98 is the minimum for h264 playback
	var requireVersion='';
	if(majorVers>9||(majorVers==9&&majorRev>=98)) requireVersion='0'; // they have 9.0.98+ anyway, so don't bother with the check
	else requireVersion='9.0.98'; // if not, proceed as usual, forcing them to upgrade
	// show Flash movie
	swfobject.embedSWF('/tour/mediaplayer/mediaplayer.swf', 'flash', '340', '275', requireVersion, '/tour/mediaplayer/expressInstall.swf',
		{file:'/tour/videos/'+stop.video+'.mov',image:'/tour/videos/'+stop.video+'_still.jpg',usefullscreen:'false',showdigits:'false',width:'340',height:'275'}, {}, {id:'mediaplayer'}
	);
}

function prevImage() {
	window.clearTimeout(stop.timer);
	stop.slideshow.children().eq(0).hide().appendTo(stop.slideshow).fadeIn(750);
	if(!stop.pause.hasClass('paused')) stop.timer = window.setTimeout(nextImage,4500);
}

function nextImage() {
	window.clearTimeout(stop.timer);
	stop.slideshow.children().eq(stop.images.length-1).fadeOut(750,function() { $(this).prependTo(stop.slideshow).show(); });
	if(!stop.pause.hasClass('paused')) stop.timer = window.setTimeout(nextImage,3000);
}

function toggleSlideshow() {
	if($(this).hasClass('paused')) stop.timer = window.setTimeout(nextImage,1000);
	else window.clearTimeout(stop.timer);
	$(this).toggleClass('paused');
}