$(document).ready(function() {

	$('#current-year').hover(function() {
		$('#nextPrevPages').show();
	}, function() {
		$('#nextPrevPages').hide();
		
	});
	
	$('#nextPrevPages').hover(function() {
		$('#nextPrevPages').show();
	}, function() {
	
		$('#nextPrevPages').hide();
	});
	
	$showNextYear = false;
	$nextYear = '';
	$prevYear = '';
	$showNextYear = false;
	$showPrevYear = false;
	$referrer = '';
	
	if($('#pane-navigation .prevLink').length > 0) {
		$nextYear = $('#pane-navigation .prevLink').attr('href');
		$('#pane-navigation .prevLink').parent().remove();
	}
	
	if($('#pane-navigation .nextLink').length > 0) {
		
		$prevYear = $('#pane-navigation .nextLink').attr('href');
		$('#pane-navigation .nextLink').parent().remove();
	}
	
	
	$url = window.location.href;
	
	if(window.location.href.substring(0,24) == 'http://marctetro.com/art') {
		$url = $url.replace('http://marctetro.com/art/', '');
		$url = $url.replace('/', '');
		$url = $url.replace('#', '');
		
	}
	
	if(document.referrer.substring(0,24) == 'http://marctetro.com/art') {
		$referrer = document.referrer.replace('http://marctetro.com/art/', '');
		$referrer = $referrer.replace('/', '');
		$referrer = $referrer.replace('#', '');
		
	}
	
	if($referrer < $url && $referrer != '') {
		$('#pane-navigation li:first a').addClass('current');
		
	} else if($referrer == '' || $referrer == 'http:/marctetro.com/arttest/'  || $referrer == 'http:/marctetro.com/art/' ) {
		$('#pane-navigation li:first a').addClass('current');
	} else {
		$('#pane-navigation li:last a').addClass('current');
		console.log($referrer);
	}
	
	if($nextYear != '' && !$('#pane-navigation .current').parent().next().length > 0) {
		
		$showNextYear = true;
	}
	if($prevYear != '' && !$('#pane-navigation .current').parent().prev().length > 0) {
		
		$showPrevYear = true;
	} 
	
	if($prevYear == '' && !$('#pane-navigation .current').parent().prev().length > 0) {
		$('#prev').hide();
	
	}
	
	
	var tabContainers = jQuery('.timeline-images > div');
	
	if($nextYear == '' && !$('#pane-navigation .current').parent().next().length > 0) {
		$('#next').hide();
	}
	
	tabContainers.hide();
	tabContainers.filter($('#pane-navigation .current').attr('href')).fadeIn(2400);
	
	
	$('#next').click(function() {
				
		 
				
				

		
		if($showNextYear == true) {
			window.location = $nextYear;
		}
		
		
			
	  	$nextPage = $('#pane-navigation .current').parent().next().find('a');
	  	tabContainers.filter($('#pane-navigation .current').attr('href')).hide();
		$('#pane-navigation .current').removeClass('current');
		$nextPage.addClass('current');
	  	tabContainers.filter($nextPage.attr('href')).fadeIn(1000);

	  	
	  	if($prevYear != '' || $('#pane-navigation .current').parent().prev().length > 0) {
			$('#prev').show();
	
		}
		if($prevYear == '' && !$('#pane-navigation .current').parent().prev().length > 0) {
			$('#prev').hide();
	
		} 
		if($nextYear == '' && !$('#pane-navigation .current').parent().next().length > 0) {
			$('#next').hide();
	
		} 
	if($nextYear != '' && !$('#pane-navigation .current').parent().next().length > 0) {
		
			$showNextYear = true;
		}
		if($nextYear != '' && $('#pane-navigation .current').parent().next().length > 0) {
		
			$showNextYear = false;
		}

		if($prevYear != '' && !$('#pane-navigation .current').parent().prev().length > 0) {
			$showPrevYear = true;
		}
		if($prevYear != '' && $('#pane-navigation .current').parent().prev().length > 0) {
			$showPrevYear = false;
		}
		return false;
		e.preventDefault();
	});
	
	$('#prev').click(function() {
			
		
		 
				
				

		
		if($showPrevYear == true) {
			window.location = $prevYear;
		}
			
	  	$prevPage = $('#pane-navigation .current').parent().prev().find('a');
	  	tabContainers.filter($('#pane-navigation .current').attr('href')).hide();
		$('#pane-navigation .current').removeClass('current');
		$prevPage.addClass('current');
		tabContainers.filter($('.current').attr('href')).fadeIn(1000);

	  	
	  	if($prevYear != '' || $('#pane-navigation .current').parent().prev().length > 0) {
			$('#prev').show();
	
		}
		if($nextYear != '' || $('#pane-navigation .current').parent().next().length > 0) {
			$('#next').show();
	
		}
		if($prevYear == '' && !$('#pane-navigation .current').parent().prev().length > 0) {
			$('#prev').hide();
	
		} 
		if($nextYear == '' && !$('#pane-navigation .current').parent().next().length > 0) {
			$('#next').hide();
	
		} 
		if($nextYear != '' && !$('#pane-navigation .current').parent().next().length > 0) {
		
			$showNextYear = true;
		}
		if($nextYear != '' && $('#pane-navigation .current').parent().next().length > 0) {
		
			$showNextYear = false;
		}

		if($prevYear != '' && !$('#pane-navigation .current').parent().prev().length > 0) {
			$showPrevYear = true;
		}
		if($prevYear != '' && $('#pane-navigation .current').parent().prev().length > 0) {
			$showPrevYear = false;
		}	
		return false;
		e.preventDefault();
		
		});
	  
});