function hide_thermos_preview() {
	$('.thermos_sketch_front', $('#step_thermos_preview')).hide();
	$('.thermos_sketch_front_color', $('#step_thermos_preview')).hide();
	$('.thermos_logo_container', $('#step_thermos_preview')).hide();
}

function reset_thermos_preview() {
	hide_thermos_preview();
}

function start_before_thermos_preview() {
	$('#thermos_preview_next').css('opacity', 1.0);
}

function start_after_thermos_preview() {
	$('.thermos_sketch_front', $('#step_thermos_preview')).fadeIn(400);
	$('.thermos_sketch_front_color', $('#step_thermos_preview')).fadeIn(400);
	$('.thermos_logo_container', $('#step_thermos_preview')).fadeIn(400);
}

function end_thermos_preview() {
	hide_thermos_preview();
}

$('document').ready(
	function() {
		$('#thermos_preview_next').click(
			function() {
				if($(this).css('opacity') == 1){
					show_next();
				}
			}
		);
		
		$('.step_header_back', $('#step_thermos_preview')).click(
			function() {
				reset_steps('step_thermos_preview');
			}
		);
	}
);