var realid;
var nextOne = false;
var first;

function viewBig(id) {
	if (realid != id) {
		$('.bigImage').hide();
		$('#'+id).show();
	}
	real = id;
}

function nextBig(id)
{
	$('.bigImage').each(function(index)
	{
		if(index == 0) first = $(this).attr('id');

		if($(this).attr('id') == id) nextOne = true;
		else if(nextOne)
		{
			viewBig($(this).attr('id'))
			nextOne = false;
		}
	});

	if(nextOne)
	{
		viewBig(first);
		nextOne = false;
	}
}