$(document).ready(function() {
    $('#project-image').find('.big-image').hide();
	$('#project-image').find('.big-image:first').show();

	$("#project-slider .thumb").click(function() {
		var image_name = $(this).attr("id");
		$('#project-image').find('.big-image').hide();
		$('#project-image').find('.'+image_name).show();
    });
});