$(document).ready(function() {
	var igroups = $('#gallery_film .igroup').size();
	var diversion = 235;
	var speed = "slow";
	var in_animation = false;
	
	//$("#gallery_strip").css("width", thumb_holders*(168) + "px");

	$("a[rel=gallery_group]").fancybox({
		'transitionIn'		: 'none',
		'transitionOut'		: 'none',
		'titlePosition' 	: 'over',
		'titleFormat'		: function(title, currentArray, currentIndex, currentOpts) {
			
			return '<span id="fancybox-title-over">' + (title.length ? ' &nbsp; ' + title : '') + '</span>';
		}
	});
	
	$('.down_arrow').click(function(e){
		e.preventDefault();
		
		
		if(!in_animation){
			if( -parseInt($("#gallery_film").css("top")) != (diversion * (igroups-1) ) ){
				in_animation = true;
				$('#gallery_film').animate({top: '-='+diversion}, speed, function(){in_animation = false;});
			}
		}
	});

	
	$('.up_arrow').click(function(e){
		e.preventDefault();
		
		if(!in_animation){
			
			if( parseInt($('#gallery_film').css('top')) != 0){
				in_animation = true;
				$('#gallery_film').animate({top: '+='+diversion}, speed, function(){in_animation = false;});
			}	
		}
	});
	
});