$(document).ready(function() {
	function karussellHideShow(id){
		var karussell = window['karussell'+id];
		var now = window['karussellNow'+id];
		if(now == 0){
			$('#karussell' + id + '-last').hide();
			$('#karussell' + id + '-empty').show();
		}else{
			$('#karussell' + id + '-empty').hide();
			$('#karussell' + id + '-last').show();
		}
		if(now == karussell.length-1){
			$('#karussell' + id + '-next').hide();
		}else{
			$('#karussell' + id + '-next').show();
		}
	}

	$('div.karussell').each(function() {
		var id = $(this).attr('id').substring(9);
		window['karussellNow'+id] = 0;
		var karussell = window['karussell'+id];
		$('#karussell' + id + '-last').click(function() {
			var karussell = window['karussell'+id];	
			var last = window['karussellNow'+id]-1;
			if(last >= 0 ){
				$.get(karussell[last], function(data) { 
					$('#karussellContent'+id).html(data);
					window['karussellNow'+id] = last;
					karussellHideShow(id);
				});
			}
		});
		$('#karussell' + id + '-next').click(function() {
			var karussell = window['karussell'+id];
			var next = window['karussellNow'+id]+1;
			if(next < karussell.length){
				$.get(karussell[next], function(data) { 
					$('#karussellContent'+id).html(data); 
					window['karussellNow'+id] = next;
					karussellHideShow(id);
				});
			}
		});
		$('#karussell' + id + '-empty').show();
		if(karussell.length != null) {
			$('#karussell' + id + '-next').show();
		}
	});
});