$ (function() {
	
	var curr_num = 1;
	var sets = 4;
	
	$('#set_02').hide();
	$('#set_03').hide();
	$('#set_04').hide();
	$('#overlay').fadeOut();
	
	$('a').click(function(){this.blur();});
	
	$('#thumb_container a').click(function(){
		$('#thumb_container a').css({border: '1px none #fff', padding: '1px 1px'});
		$(this).css({border: '1px solid #f78a07', padding: '0px' });
		var ref = 'img/portfolio/large/' + this.href.split('#')[1] + '.jpg';
		$('#main_image img').attr('src',ref);	
	});

	$('#img_fwd').click(function(){
		var next_num = curr_num+1;
		if(curr_num < sets){
			$('#overlay').fadeIn(function(){
				$('#set_0'+curr_num).hide();
				$('#set_0'+next_num).show(function(){
					$('#overlay').fadeOut('slow');
					$('#set_num').html(next_num);
					curr_num = next_num;
				});
			});
		};
	});
	$('#img_bck').click(function(){
		var next_num = curr_num-1;
		if(curr_num >= 1){
			$('#overlay').fadeIn(function(){
				$('#set_0'+curr_num).hide();
				$('#set_0'+next_num).show(function(){
					$('#overlay').fadeOut('slow');
					$('#set_num').html(next_num);
					curr_num = next_num;
				});
			});
		};
	});
});

// $(element).slideUp({duration: 1000, easing: method});
//$('#set_01').hide();